74432525 has 12 divisors (see below), whose sum is σ = 92411124. Its totient is φ = 59472000.

The previous prime is 74432513. The next prime is 74432539. The reversal of 74432525 is 52523447.

It can be written as a sum of positive squares in 6 ways, for example, as 5442889 + 68989636 = 2333^2 + 8306^2 .

It is not a de Polignac number, because 74432525 - 2¹² = 74428429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74432491 and 74432500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28265 + ... + 30785.

It is an arithmetic number, because the mean of its divisors is an integer number (7700927).

Almost surely, 2^74432525 is an apocalyptic number.

It is an amenable number.

74432525 is a deficient number, since it is larger than the sum of its proper divisors (17978599).

74432525 is a wasteful number, since it uses less digits than its factorization.

74432525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3707 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 74432525 is about 8627.4286435763. The cubic root of 74432525 is about 420.6500233128.

The spelling of 74432525 in words is "seventy-four million, four hundred thirty-two thousand, five hundred twenty-five".