725525732 has 12 divisors (see below), whose sum is σ = 1273807920. Its totient is φ = 361580616.

The previous prime is 725525729. The next prime is 725525753. The reversal of 725525732 is 237525527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294182 + ... + 296637.

It is an arithmetic number, because the mean of its divisors is an integer number (106150660).

Almost surely, 2^725525732 is an apocalyptic number.

It is an amenable number.

725525732 is a deficient number, since it is larger than the sum of its proper divisors (548282188).

725525732 is a wasteful number, since it uses less digits than its factorization.

725525732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591130 (or 591128 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 725525732 is about 26935.5848646359. The cubic root of 725525732 is about 898.5679827648.

The spelling of 725525732 in words is "seven hundred twenty-five million, five hundred twenty-five thousand, seven hundred thirty-two".