74646613025 has 24 divisors (see below), whose sum is σ = 93028045824. Its totient is φ = 59416790400.

The previous prime is 74646613009. The next prime is 74646613049. The reversal of 74646613025 is 52031664647.

It is not a de Polignac number, because 74646613025 - 2⁴ = 74646613009 is a prime.

It is a super-2 number, since 2×74646613025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 18155720 + ... + 18159830.

It is an arithmetic number, because the mean of its divisors is an integer number (3876168576).

Almost surely, 2^74646613025 is an apocalyptic number.

It is an amenable number.

74646613025 is a deficient number, since it is larger than the sum of its proper divisors (18381432799).

74646613025 is a wasteful number, since it uses less digits than its factorization.

74646613025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601 (or 7596 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 74646613025 in words is "seventy-four billion, six hundred forty-six million, six hundred thirteen thousand, twenty-five".