74744725 has 18 divisors (see below), whose sum is σ = 101879330. Its totient is φ = 54357600.

The previous prime is 74744723. The next prime is 74744729. The reversal of 74744725 is 52744747.

It can be written as a sum of positive squares in 3 ways, for example, as 8305924 + 66438801 = 2882^2 + 8151^2 .

It is not a de Polignac number, because 74744725 - 2¹ = 74744723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74744723) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9330 + ... + 15379.

Almost surely, 2^74744725 is an apocalyptic number.

It is an amenable number.

74744725 is a deficient number, since it is larger than the sum of its proper divisors (27134605).

74744725 is a wasteful number, since it uses less digits than its factorization.

74744725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24741 (or 24725 counting only the distinct ones).

The product of its digits is 219520, while the sum is 40.

The square root of 74744725 is about 8645.5031663866. The cubic root of 74744725 is about 421.2373281739.

The spelling of 74744725 in words is "seventy-four million, seven hundred forty-four thousand, seven hundred twenty-five".