725463770 has 16 divisors (see below), whose sum is σ = 1306342728. Its totient is φ = 290072640.

The previous prime is 725463733. The next prime is 725463811. The reversal of 725463770 is 77364527.

It can be written as a sum of positive squares in 4 ways, for example, as 543402721 + 182061049 = 23311^2 + 13493^2 .

It is a super-2 number, since 2×725463770² = 1052595363165225800, which contains 22 as substring.

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, 15932 + ... + 41288.

Almost surely, 2^725463770 is an apocalyptic number.

725463770 is a deficient number, since it is larger than the sum of its proper divisors (580878958).

725463770 is a wasteful number, since it uses less digits than its factorization.

725463770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28225.

The product of its (nonzero) digits is 246960, while the sum is 41.

The square root of 725463770 is about 26934.4346515757. The cubic root of 725463770 is about 898.5424019334.

The spelling of 725463770 in words is "seven hundred twenty-five million, four hundred sixty-three thousand, seven hundred seventy".