74039525 has 12 divisors (see below), whose sum is σ = 104924832. Its totient is φ = 50769840.

The previous prime is 74039519. The next prime is 74039527. The reversal of 74039525 is 52593047.

It is not a de Polignac number, because 74039525 - 2¹⁸ = 73777381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74039527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211367 + ... + 211716.

It is an arithmetic number, because the mean of its divisors is an integer number (8743736).

Almost surely, 2^74039525 is an apocalyptic number.

It is an amenable number.

74039525 is a deficient number, since it is larger than the sum of its proper divisors (30885307).

74039525 is a wasteful number, since it uses less digits than its factorization.

74039525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423100 (or 423095 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 74039525 is about 8604.6223043199. The cubic root of 74039525 is about 419.9083794859.

The spelling of 74039525 in words is "seventy-four million, thirty-nine thousand, five hundred twenty-five".