74528820624 has 160 divisors (see below), whose sum is σ = 211129058304. Its totient is φ = 22552657920.

The previous prime is 74528820601. The next prime is 74528820637. The reversal of 74528820624 is 42602882547.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7912942 + ... + 7922354.

Almost surely, 2^74528820624 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 74528820624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105564529152).

74528820624 is an abundant number, since it is smaller than the sum of its proper divisors (136600237680).

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

74528820624 is a wasteful number, since it uses less digits than its factorization.

74528820624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9779 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 74528820624 in words is "seventy-four billion, five hundred twenty-eight million, eight hundred twenty thousand, six hundred twenty-four".