74482597225 has 9 divisors (see below), whose sum is σ = 92360112663. Its totient is φ = 59584986120.

The previous prime is 74482597181. The next prime is 74482597229. The reversal of 74482597225 is 52279528447.

The square root of 74482597225 is 272915.

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

It can be written as a sum of positive squares in only one way, i.e., 26813735001 + 47668862224 = 163749^2 + 218332^2 .

It is not a de Polignac number, because 74482597225 - 2²⁵ = 74449042793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74482597229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1337284 + ... + 1391866.

Almost surely, 2^74482597225 is an apocalyptic number.

74482597225 is the 272915-th square number.

74482597225 is the 136458-th centered octagonal number.

It is an amenable number.

74482597225 is a deficient number, since it is larger than the sum of its proper divisors (17877515438).

74482597225 is an frugal number, since it uses more digits than its factorization.

74482597225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109176 (or 54588 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 55.

The spelling of 74482597225 in words is "seventy-four billion, four hundred eighty-two million, five hundred ninety-seven thousand, two hundred twenty-five".