720608075 has 48 divisors (see below), whose sum is σ = 998186112. Its totient is φ = 511680000.

The previous prime is 720608071. The next prime is 720608093. The reversal of 720608075 is 570806027.

It is not a de Polignac number, because 720608075 - 2² = 720608071 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (720608071) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2989955 + ... + 2990195.

It is an arithmetic number, because the mean of its divisors is an integer number (20795544).

Almost surely, 2^720608075 is an apocalyptic number.

720608075 is a deficient number, since it is larger than the sum of its proper divisors (277578037).

720608075 is a wasteful number, since it uses less digits than its factorization.

720608075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 720608075 is about 26844.1441472810. The cubic root of 720608075 is about 896.5331959235.

The spelling of 720608075 in words is "seven hundred twenty million, six hundred eight thousand, seventy-five".