75481625 has 8 divisors (see below), whose sum is σ = 94201224. Its totient is φ = 60385200.

The previous prime is 75481619. The next prime is 75481667. The reversal of 75481625 is 52618457.

It can be written as a sum of positive squares in 4 ways, for example, as 1882384 + 73599241 = 1372^2 + 8579^2 .

It is not a de Polignac number, because 75481625 - 2²⁶ = 8372761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301802 + ... + 302051.

It is an arithmetic number, because the mean of its divisors is an integer number (11775153).

Almost surely, 2^75481625 is an apocalyptic number.

It is an amenable number.

75481625 is a deficient number, since it is larger than the sum of its proper divisors (18719599).

75481625 is an equidigital number, since it uses as much as digits as its factorization.

75481625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603868 (or 603858 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 75481625 is about 8688.0161717161. The cubic root of 75481625 is about 422.6171144589.

The spelling of 75481625 in words is "seventy-five million, four hundred eighty-one thousand, six hundred twenty-five".