74677715625 has 24 divisors (see below), whose sum is σ = 124454909376. Its totient is φ = 39828110000.

The previous prime is 74677715611. The next prime is 74677715683. The reversal of 74677715625 is 52651777647.

It is not a de Polignac number, because 74677715625 - 2¹⁴ = 74677699241 is a prime.

It is a super-2 number, since 2×74677715625² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3973437 + ... + 3992186.

It is an arithmetic number, because the mean of its divisors is an integer number (5185621224).

Almost surely, 2^74677715625 is an apocalyptic number.

74677715625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74677715625 is a deficient number, since it is larger than the sum of its proper divisors (49777193751).

74677715625 is an frugal number, since it uses more digits than its factorization.

74677715625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965651 (or 7965631 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 57.

The spelling of 74677715625 in words is "seventy-four billion, six hundred seventy-seven million, seven hundred fifteen thousand, six hundred twenty-five".