725487248 has 10 divisors (see below), whose sum is σ = 1405631574. Its totient is φ = 362743616.

The previous prime is 725487227. The next prime is 725487281. The reversal of 725487248 is 842784527.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 460188304 + 265298944 = 21452^2 + 16288^2 .

It is a super-2 number, since 2×725487248² = 1052663494021227008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22671461 + ... + 22671492.

Almost surely, 2^725487248 is an apocalyptic number.

It is an amenable number.

725487248 is a deficient number, since it is larger than the sum of its proper divisors (680144326).

725487248 is a wasteful number, since it uses less digits than its factorization.

725487248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45342961 (or 45342955 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 47.

The square root of 725487248 is about 26934.8704841883. The cubic root of 725487248 is about 898.5520949288.

The spelling of 725487248 in words is "seven hundred twenty-five million, four hundred eighty-seven thousand, two hundred forty-eight".