74322020856 has 64 divisors (see below), whose sum is σ = 190410706080. Its totient is φ = 24160389120.

The previous prime is 74322020819. The next prime is 74322020869. The reversal of 74322020856 is 65802022347.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798070 + ... + 2824506.

Almost surely, 2^74322020856 is an apocalyptic number.

It is an amenable number.

74322020856 is an abundant number, since it is smaller than the sum of its proper divisors (116088685224).

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

74322020856 is a wasteful number, since it uses less digits than its factorization.

74322020856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29344 (or 29340 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 74322020856 in words is "seventy-four billion, three hundred twenty-two million, twenty thousand, eight hundred fifty-six".