Search a number
-
+
74012032 = 27619479
BaseRepresentation
bin1000110100101…
…01010110000000
312011021012102101
410122111112000
5122421341112
611202200144
71556043343
oct432252600
9164235371
1074012032
1138861376
1220953054
1312444a03
149b8845a
15676e757
hex4695580

74012032 has 32 divisors (see below), whose sum is σ = 149878800. Its totient is φ = 36395520.

The previous prime is 74012027. The next prime is 74012039. The reversal of 74012032 is 23021047.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74012039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3069 + ... + 12547.

Almost surely, 274012032 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 74012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74939400).

74012032 is an abundant number, since it is smaller than the sum of its proper divisors (75866768).

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

74012032 is an equidigital number, since it uses as much as digits as its factorization.

74012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554 (or 9542 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 74012032 is about 8603.0245844122. The cubic root of 74012032 is about 419.8563983748.

Adding to 74012032 its reverse (23021047), we get a palindrome (97033079).

The spelling of 74012032 in words is "seventy-four million, twelve thousand, thirty-two".

Divisors: 1 2 4 8 16 32 61 64 122 128 244 488 976 1952 3904 7808 9479 18958 37916 75832 151664 303328 578219 606656 1156438 1213312 2312876 4625752 9251504 18503008 37006016 74012032