725424766 has 12 divisors (see below), whose sum is σ = 1196051976. Its totient is φ = 329738420.

The previous prime is 725424751. The next prime is 725424779. The reversal of 725424766 is 667424527.

It is a super-2 number, since 2×725424766² = 1052482182252309512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1498570 + ... + 1499053.

It is an arithmetic number, because the mean of its divisors is an integer number (99670998).

Almost surely, 2^725424766 is an apocalyptic number.

725424766 is a deficient number, since it is larger than the sum of its proper divisors (470627210).

725424766 is a wasteful number, since it uses less digits than its factorization.

725424766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997647 (or 2997636 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 725424766 is about 26933.7105872919. The cubic root of 725424766 is about 898.5262984984.

The spelling of 725424766 in words is "seven hundred twenty-five million, four hundred twenty-four thousand, seven hundred sixty-six".