725516474 has 8 divisors (see below), whose sum is σ = 1089343668. Its totient is φ = 362401920.

The previous prime is 725516437. The next prime is 725516479. The reversal of 725516474 is 474615527.

725516474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 605504449 + 120012025 = 24607^2 + 10955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (725516479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175607 + ... + 179690.

Almost surely, 2^725516474 is an apocalyptic number.

725516474 is a deficient number, since it is larger than the sum of its proper divisors (363827194).

725516474 is a wasteful number, since it uses less digits than its factorization.

725516474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356320.

The product of its digits is 235200, while the sum is 41.

The square root of 725516474 is about 26935.4130096422. The cubic root of 725516474 is about 898.5641607190.

The spelling of 725516474 in words is "seven hundred twenty-five million, five hundred sixteen thousand, four hundred seventy-four".