720979332 has 12 divisors (see below), whose sum is σ = 1682285136. Its totient is φ = 240326440.

The previous prime is 720979327. The next prime is 720979361. The reversal of 720979332 is 233979027.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×720979332² = 1039622394342332448, which contains 22 as substring.

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, 30040794 + ... + 30040817.

It is an arithmetic number, because the mean of its divisors is an integer number (140190428).

Almost surely, 2^720979332 is an apocalyptic number.

It is an amenable number.

720979332 is an abundant number, since it is smaller than the sum of its proper divisors (961305804).

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

720979332 is a wasteful number, since it uses less digits than its factorization.

720979332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60081618 (or 60081616 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 720979332 is about 26851.0583031656. The cubic root of 720979332 is about 896.6871340083.

The spelling of 720979332 in words is "seven hundred twenty million, nine hundred seventy-nine thousand, three hundred thirty-two".