725463660 has 24 divisors (see below), whose sum is σ = 2031298416. Its totient is φ = 193456960.

The previous prime is 725463637. The next prime is 725463691. The reversal of 725463660 is 66364527.

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, 6045471 + ... + 6045590.

It is an arithmetic number, because the mean of its divisors is an integer number (84637434).

Almost surely, 2^725463660 is an apocalyptic number.

It is an amenable number.

725463660 is an abundant number, since it is smaller than the sum of its proper divisors (1305834756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725463660 is a wasteful number, since it uses less digits than its factorization.

725463660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12091073 (or 12091071 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 725463660 is about 26934.4326095799. The cubic root of 725463660 is about 898.5423565189.

The spelling of 725463660 in words is "seven hundred twenty-five million, four hundred sixty-three thousand, six hundred sixty".