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745072060 = 225295921773
BaseRepresentation
bin101100011010001…
…110010110111100
31220220222120201111
4230122032112330
53011214301220
6201533251404
724315002515
oct5432162674
91826876644
10745072060
11352634737
12189633b64
13bb490755
1470d4ba0c
154562715a
hex2c68e5bc

745072060 has 48 divisors (see below), whose sum is σ = 1646114400. Its totient is φ = 282861824.

The previous prime is 745072037. The next prime is 745072067. The reversal of 745072060 is 60270547.

745072060 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745072067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23334 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (34294050).

Almost surely, 2745072060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745072060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823057200).

745072060 is an abundant number, since it is smaller than the sum of its proper divisors (901042340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745072060 is a wasteful number, since it uses less digits than its factorization.

745072060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870 (or 21868 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 745072060 is about 27296.0081330586. The cubic root of 745072060 is about 906.5659973893.

It can be divided in two parts, 74507 and 2060, that added together give a palindrome (76567).

The spelling of 745072060 in words is "seven hundred forty-five million, seventy-two thousand, sixty".

Divisors: 1 2 4 5 10 20 29 58 59 116 118 145 236 290 295 580 590 1180 1711 3422 6844 8555 17110 21773 34220 43546 87092 108865 217730 435460 631417 1262834 1284607 2525668 2569214 3157085 5138428 6314170 6423035 12628340 12846070 25692140 37253603 74507206 149014412 186268015 372536030 745072060