720500107 has 8 divisors (see below), whose sum is σ = 725848992. Its totient is φ = 715171200.

The previous prime is 720500089. The next prime is 720500113. The reversal of 720500107 is 701005027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720500107 - 2⁷ = 720499979 is a prime.

It is a super-2 number, since 2×720500107² = 1038240808374022898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720500167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71682 + ... + 81112.

It is an arithmetic number, because the mean of its divisors is an integer number (90731124).

Almost surely, 2^720500107 is an apocalyptic number.

720500107 is a deficient number, since it is larger than the sum of its proper divisors (5348885).

720500107 is a wasteful number, since it uses less digits than its factorization.

720500107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9989.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 720500107 is about 26842.1330560744. The cubic root of 720500107 is about 896.4884181245.

The spelling of 720500107 in words is "seven hundred twenty million, five hundred thousand, one hundred seven".