74772325756 has 12 divisors (see below), whose sum is σ = 133635646368. Its totient is φ = 36590712512.

The previous prime is 74772325721. The next prime is 74772325759. The reversal of 74772325756 is 65752327747.

It is a super-2 number, since 2×74772325756² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74772325697 and 74772325706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74772325759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198862381 + ... + 198862756.

It is an arithmetic number, because the mean of its divisors is an integer number (11136303864).

Almost surely, 2^74772325756 is an apocalyptic number.

It is an amenable number.

74772325756 is a deficient number, since it is larger than the sum of its proper divisors (58863320612).

74772325756 is a wasteful number, since it uses less digits than its factorization.

74772325756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397725188 (or 397725186 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 55.

The spelling of 74772325756 in words is "seventy-four billion, seven hundred seventy-two million, three hundred twenty-five thousand, seven hundred fifty-six".