725921048 has 16 divisors (see below), whose sum is σ = 1405008960. Its totient is φ = 351252000.

The previous prime is 725921041. The next prime is 725921051. The reversal of 725921048 is 840129527.

It is a super-2 number, since 2×725921048² = 1053922735858836608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725921041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463303 + ... + 1463798.

It is an arithmetic number, because the mean of its divisors is an integer number (87813060).

Almost surely, 2^725921048 is an apocalyptic number.

It is an amenable number.

725921048 is a deficient number, since it is larger than the sum of its proper divisors (679087912).

725921048 is a wasteful number, since it uses less digits than its factorization.

725921048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927138 (or 2927134 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 725921048 is about 26942.9220390068. The cubic root of 725921048 is about 898.7311535474.

The spelling of 725921048 in words is "seven hundred twenty-five million, nine hundred twenty-one thousand, forty-eight".