720563315 has 16 divisors (see below), whose sum is σ = 932389920. Its totient is φ = 532788480.

The previous prime is 720563303. The next prime is 720563321. The reversal of 720563315 is 513365027.

It is not a de Polignac number, because 720563315 - 2⁸ = 720563059 is a prime.

It is a super-2 number, since 2×720563315² = 1038422981847578450, which contains 22 as substring.

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, 88604 + ... + 96393.

It is an arithmetic number, because the mean of its divisors is an integer number (58274370).

Almost surely, 2^720563315 is an apocalyptic number.

720563315 is a deficient number, since it is larger than the sum of its proper divisors (211826605).

720563315 is a wasteful number, since it uses less digits than its factorization.

720563315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185062.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 720563315 is about 26843.3104329552. The cubic root of 720563315 is about 896.5146330560.

The spelling of 720563315 in words is "seven hundred twenty million, five hundred sixty-three thousand, three hundred fifteen".