712795680 has 96 divisors (see below), whose sum is σ = 2494800000. Its totient is φ = 190077696.

The previous prime is 712795667. The next prime is 712795711. The reversal of 712795680 is 86597217.

712795680 is a `hidden beast` number, since 7 + 12 + 79 + 568 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78180 + ... + 86819.

It is an arithmetic number, because the mean of its divisors is an integer number (25987500).

Almost surely, 2^712795680 is an apocalyptic number.

It is an amenable number.

712795680 is an abundant number, since it is smaller than the sum of its proper divisors (1782004320).

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

712795680 is a wasteful number, since it uses less digits than its factorization.

712795680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165023 (or 165009 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 712795680 is about 26698.2336494383. The cubic root of 712795680 is about 893.2815271559.

The spelling of 712795680 in words is "seven hundred twelve million, seven hundred ninety-five thousand, six hundred eighty".