627920670 has 64 divisors (see below), whose sum is σ = 1718418240. Its totient is φ = 145471488.

The previous prime is 627920659. The next prime is 627920681. The reversal of 627920670 is 76029726.

It is an interprime number because it is at equal distance from previous prime (627920659) and next prime (627920681).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 40725 + ... + 53984.

It is an arithmetic number, because the mean of its divisors is an integer number (26850285).

Almost surely, 2^627920670 is an apocalyptic number.

627920670 is an abundant number, since it is smaller than the sum of its proper divisors (1090497570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627920670 is a wasteful number, since it uses less digits than its factorization.

627920670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94749.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 627920670 is about 25058.3453164809. The cubic root of 627920670 is about 856.3177109506.

The spelling of 627920670 in words is "six hundred twenty-seven million, nine hundred twenty thousand, six hundred seventy".