720678875 has 32 divisors (see below), whose sum is σ = 1088380800. Its totient is φ = 465100800.

The previous prime is 720678869. The next prime is 720678887. The reversal of 720678875 is 578876027.

It is not a de Polignac number, because 720678875 - 2⁶ = 720678811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9350 + ... + 39099.

It is an arithmetic number, because the mean of its divisors is an integer number (34011900).

Almost surely, 2^720678875 is an apocalyptic number.

720678875 is a deficient number, since it is larger than the sum of its proper divisors (367701925).

720678875 is a wasteful number, since it uses less digits than its factorization.

720678875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48488 (or 48478 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 50.

The square root of 720678875 is about 26845.4628382526. The cubic root of 720678875 is about 896.5625565306.

The spelling of 720678875 in words is "seven hundred twenty million, six hundred seventy-eight thousand, eight hundred seventy-five".