725044239 has 6 divisors (see below), whose sum is σ = 1047286136. Its totient is φ = 483362820.

The previous prime is 725044219. The next prime is 725044241. The reversal of 725044239 is 932440527.

It is not a de Polignac number, because 725044239 - 2⁵ = 725044207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725044219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40280227 + ... + 40280244.

Almost surely, 2^725044239 is an apocalyptic number.

725044239 is a deficient number, since it is larger than the sum of its proper divisors (322241897).

725044239 is a wasteful number, since it uses less digits than its factorization.

725044239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80560477 (or 80560474 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 725044239 is about 26926.6455207477. The cubic root of 725044239 is about 898.3691614505.

The spelling of 725044239 in words is "seven hundred twenty-five million, forty-four thousand, two hundred thirty-nine".