725669215 has 8 divisors (see below), whose sum is σ = 871599168. Its totient is φ = 580004640.

The previous prime is 725669183. The next prime is 725669227. The reversal of 725669215 is 512966527.

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

It is not a de Polignac number, because 725669215 - 2⁵ = 725669183 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 7 ways as a sum of consecutive naturals, for example, 60276 + ... + 71305.

It is an arithmetic number, because the mean of its divisors is an integer number (108949896).

Almost surely, 2^725669215 is an apocalyptic number.

725669215 is a deficient number, since it is larger than the sum of its proper divisors (145929953).

725669215 is a wasteful number, since it uses less digits than its factorization.

725669215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132689.

The product of its digits is 226800, while the sum is 43.

The square root of 725669215 is about 26938.2481798650. The cubic root of 725669215 is about 898.6272137132.

The spelling of 725669215 in words is "seven hundred twenty-five million, six hundred sixty-nine thousand, two hundred fifteen".