720307315 has 16 divisors (see below), whose sum is σ = 1063839168. Its totient is φ = 455930496.

The previous prime is 720307243. The next prime is 720307331. The reversal of 720307315 is 513703027.

It is not a de Polignac number, because 720307315 - 2¹⁹ = 719783027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791092 + ... + 792001.

It is an arithmetic number, because the mean of its divisors is an integer number (66489948).

Almost surely, 2^720307315 is an apocalyptic number.

720307315 is a deficient number, since it is larger than the sum of its proper divisors (343531853).

720307315 is a wasteful number, since it uses less digits than its factorization.

720307315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583118.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 720307315 is about 26838.5415959959. The cubic root of 720307315 is about 896.4084499599.

The spelling of 720307315 in words is "seven hundred twenty million, three hundred seven thousand, three hundred fifteen".