725244775 has 12 divisors (see below), whose sum is σ = 899789632. Its totient is φ = 579882240.

The previous prime is 725244749. The next prime is 725244781. The reversal of 725244775 is 577442527.

It is not a de Polignac number, because 725244775 - 2⁵ = 725244743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46807 + ... + 60343.

Almost surely, 2^725244775 is an apocalyptic number.

725244775 is a deficient number, since it is larger than the sum of its proper divisors (174544857).

725244775 is a wasteful number, since it uses less digits than its factorization.

725244775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15690 (or 15685 counting only the distinct ones).

The product of its digits is 548800, while the sum is 43.

The square root of 725244775 is about 26930.3690097258. The cubic root of 725244775 is about 898.4519788114.

The spelling of 725244775 in words is "seven hundred twenty-five million, two hundred forty-four thousand, seven hundred seventy-five".