74736025 has 81 divisors (see below), whose sum is σ = 123200541. Its totient is φ = 44815680.

The previous prime is 74736023. The next prime is 74736037. The reversal of 74736025 is 52063747.

It is a happy number.

The square root of 74736025 is 8645.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19263321 + 55472704 = 4389^2 + 7448^2 .

It is not a de Polignac number, because 74736025 - 2¹ = 74736023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74736023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3933466 + ... + 3933484.

Almost surely, 2^74736025 is an apocalyptic number.

74736025 is the 8645-th square number.

74736025 is the 4323-rd centered octagonal number.

It is an amenable number.

74736025 is a deficient number, since it is larger than the sum of its proper divisors (48464516).

74736025 is a wasteful number, since it uses less digits than its factorization.

74736025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The cubic root of 74736025 is about 421.2209840686.

The spelling of 74736025 in words is "seventy-four million, seven hundred thirty-six thousand, twenty-five".