75872374725625 has 15 divisors (see below), whose sum is σ = 94810391573161. Its totient is φ = 60697725571000.

The previous prime is 75872374725619. The next prime is 75872374725659. The reversal of 75872374725625 is 52652747327857.

The square root of 75872374725625 is 8710475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5948394178489 + 69923980547136 = 2438933^2 + 8362056^2 .

It is not a de Polignac number, because 75872374725625 - 2²⁹ = 75871837854713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 217587666 + ... + 217936084.

Almost surely, 2^{75872374725625} is an apocalyptic number.

75872374725625 is the 8710475-th square number.

75872374725625 is the 4355238-th centered octagonal number.

It is an amenable number.

75872374725625 is a deficient number, since it is larger than the sum of its proper divisors (18938016847536).

75872374725625 is an frugal number, since it uses more digits than its factorization.

75872374725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696858 (or 348424 counting only the distinct ones).

The product of its digits is 1382976000, while the sum is 70.

The spelling of 75872374725625 in words is "seventy-five trillion, eight hundred seventy-two billion, three hundred seventy-four million, seven hundred twenty-five thousand, six hundred twenty-five".