720613675 has 12 divisors (see below), whose sum is σ = 896007136. Its totient is φ = 574912800.

The previous prime is 720613657. The next prime is 720613711. The reversal of 720613675 is 576316027.

It is not a de Polignac number, because 720613675 - 2²¹ = 718516523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30096 + ... + 48445.

Almost surely, 2^720613675 is an apocalyptic number.

720613675 is a deficient number, since it is larger than the sum of its proper divisors (175393461).

720613675 is a wasteful number, since it uses less digits than its factorization.

720613675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78918 (or 78913 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 720613675 is about 26844.2484528809. The cubic root of 720613675 is about 896.5355183015.

The spelling of 720613675 in words is "seven hundred twenty million, six hundred thirteen thousand, six hundred seventy-five".