74660625 has 60 divisors (see below), whose sum is σ = 145269124. Its totient is φ = 36720000.

The previous prime is 74660567. The next prime is 74660627. The reversal of 74660625 is 52606647.

74660625 is a `hidden beast` number, since 7 + 46 + 606 + 2 + 5 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 65999376 + 8661249 = 8124^2 + 2943^2 .

It is not a de Polignac number, because 74660625 - 2⁷ = 74660497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74660625.

It is not an unprimeable number, because it can be changed into a prime (74660627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 72615 + ... + 73635.

Almost surely, 2^74660625 is an apocalyptic number.

74660625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74660625 is a deficient number, since it is larger than the sum of its proper divisors (70608499).

74660625 is a wasteful number, since it uses less digits than its factorization.

74660625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 74660625 is about 8640.6379972777. The cubic root of 74660625 is about 421.0792819960.

The spelling of 74660625 in words is "seventy-four million, six hundred sixty thousand, six hundred twenty-five".