720568402 has 16 divisors (see below), whose sum is σ = 1118967552. Its totient is φ = 347646960.

The previous prime is 720568397. The next prime is 720568439. The reversal of 720568402 is 204865027.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4768 + ... + 38260.

It is an arithmetic number, because the mean of its divisors is an integer number (69935472).

Almost surely, 2^720568402 is an apocalyptic number.

720568402 is a deficient number, since it is larger than the sum of its proper divisors (398399150).

720568402 is a wasteful number, since it uses less digits than its factorization.

720568402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33873.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 720568402 is about 26843.4051863768. The cubic root of 720568402 is about 896.5167427754.

The spelling of 720568402 in words is "seven hundred twenty million, five hundred sixty-eight thousand, four hundred two".