725514639272 has 16 divisors (see below), whose sum is σ = 1372820133300. Its totient is φ = 359429270400.

The previous prime is 725514639103. The next prime is 725514639293. The reversal of 725514639272 is 272936415527.

It can be written as a sum of positive squares in 2 ways, for example, as 714724831396 + 10789807876 = 845414^2 + 103874^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416005229 + ... + 416006972.

Almost surely, 2^725514639272 is an apocalyptic number.

It is an amenable number.

725514639272 is a deficient number, since it is larger than the sum of its proper divisors (647305494028).

725514639272 is a wasteful number, since it uses less digits than its factorization.

725514639272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832012316 (or 832012312 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The spelling of 725514639272 in words is "seven hundred twenty-five billion, five hundred fourteen million, six hundred thirty-nine thousand, two hundred seventy-two".