725531874 has 32 divisors (see below), whose sum is σ = 1503097344. Its totient is φ = 233226240.

The previous prime is 725531869. The next prime is 725531879. The reversal of 725531874 is 478135527.

It is an interprime number because it is at equal distance from previous prime (725531869) and next prime (725531879).

It is not an unprimeable number, because it can be changed into a prime (725531879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47842 + ... + 61154.

It is an arithmetic number, because the mean of its divisors is an integer number (46971792).

Almost surely, 2^725531874 is an apocalyptic number.

725531874 is an abundant number, since it is smaller than the sum of its proper divisors (777565470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725531874 is a wasteful number, since it uses less digits than its factorization.

725531874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642.

The product of its digits is 235200, while the sum is 42.

The square root of 725531874 is about 26935.6988771407. The cubic root of 725531874 is about 898.5705183923.

The spelling of 725531874 in words is "seven hundred twenty-five million, five hundred thirty-one thousand, eight hundred seventy-four".