74975625 has 50 divisors (see below), whose sum is σ = 140050482. Its totient is φ = 39960000.

The previous prime is 74975597. The next prime is 74975683. The reversal of 74975625 is 52657947.

It can be written as a sum of positive squares in 5 ways, for example, as 32046921 + 42928704 = 5661^2 + 6552^2 .

It is a de Polignac number, because none of the positive numbers 2^k-74975625 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 49885 + ... + 51365.

Almost surely, 2^74975625 is an apocalyptic number.

74975625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74975625 is a deficient number, since it is larger than the sum of its proper divisors (65074857).

74975625 is an equidigital number, since it uses as much as digits as its factorization.

74975625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1489 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 74975625 is about 8658.8466322022. The cubic root of 74975625 is about 421.6706417646.

The spelling of 74975625 in words is "seventy-four million, nine hundred seventy-five thousand, six hundred twenty-five".