725457547432 has 32 divisors (see below), whose sum is σ = 1361756068200. Its totient is φ = 362322837504.

The previous prime is 725457547421. The next prime is 725457547459. The reversal of 725457547432 is 234745754527.

It can be written as a sum of positive squares in 4 ways, for example, as 647049707236 + 78407840196 = 804394^2 + 280014^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27365608 + ... + 27392104.

Almost surely, 2^725457547432 is an apocalyptic number.

It is an amenable number.

725457547432 is a deficient number, since it is larger than the sum of its proper divisors (636298520768).

725457547432 is a wasteful number, since it uses less digits than its factorization.

725457547432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30205 (or 30201 counting only the distinct ones).

The product of its digits is 32928000, while the sum is 55.

The spelling of 725457547432 in words is "seven hundred twenty-five billion, four hundred fifty-seven million, five hundred forty-seven thousand, four hundred thirty-two".