Search a number
-
+
74925069 = 3171639013
BaseRepresentation
bin1000111011101…
…00010000001101
312012222120212120
410131310100031
5123140100234
611233523153
71566565302
oct435642015
9165876776
1074925069
113932534a
12211134b9
13126a447b
149d450a9
1568a0049
hex477440d

74925069 has 16 divisors (see below), whose sum is σ = 106437312. Its totient is φ = 46718208.

The previous prime is 74925041. The next prime is 74925073. The reversal of 74925069 is 96052947.

It is not a de Polignac number, because 74925069 - 217 = 74793997 is a prime.

It is a super-2 number, since 2×749250692 = 11227531929309522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74925069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74925029) 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, 3807 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (6652332).

Almost surely, 274925069 is an apocalyptic number.

It is an amenable number.

74925069 is a deficient number, since it is larger than the sum of its proper divisors (31512243).

74925069 is a wasteful number, since it uses less digits than its factorization.

74925069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 74925069 is about 8655.9268134614. The cubic root of 74925069 is about 421.5758430692.

It can be divided in two parts, 7492 and 5069, that added together give a triangular number (12561 = T158).

The spelling of 74925069 in words is "seventy-four million, nine hundred twenty-five thousand, sixty-nine".

Divisors: 1 3 17 51 163 489 2771 8313 9013 27039 153221 459663 1469119 4407357 24975023 74925069