720418316 has 24 divisors (see below), whose sum is σ = 1337988960. Its totient is φ = 338234112.

The previous prime is 720418313. The next prime is 720418373. The reversal of 720418316 is 613814027.

It is not an unprimeable number, because it can be changed into a prime (720418313) 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, 17786 + ... + 41918.

It is an arithmetic number, because the mean of its divisors is an integer number (55749540).

Almost surely, 2^720418316 is an apocalyptic number.

It is an amenable number.

720418316 is a deficient number, since it is larger than the sum of its proper divisors (617570644).

720418316 is a wasteful number, since it uses less digits than its factorization.

720418316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24593 (or 24591 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 720418316 is about 26840.6094565679. The cubic root of 720418316 is about 896.4544937904.

The spelling of 720418316 in words is "seven hundred twenty million, four hundred eighteen thousand, three hundred sixteen".