74528597052 has 144 divisors (see below), whose sum is σ = 239346644992. Its totient is φ = 19021806720.

The previous prime is 74528596999. The next prime is 74528597053. The reversal of 74528597052 is 25079582547.

74528597052 is a `hidden beast` number, since 7 + 45 + 2 + 8 + 597 + 0 + 5 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74528597052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74528597053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265378 + ... + 468489.

Almost surely, 2^74528597052 is an apocalyptic number.

It is an amenable number.

74528597052 is an abundant number, since it is smaller than the sum of its proper divisors (164818047940).

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

74528597052 is a wasteful number, since it uses less digits than its factorization.

74528597052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733928 (or 733923 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 74528597052 in words is "seventy-four billion, five hundred twenty-eight million, five hundred ninety-seven thousand, fifty-two".