627670631 has 8 divisors (see below), whose sum is σ = 725398560. Its totient is φ = 531957888.

The previous prime is 627670597. The next prime is 627670633. The reversal of 627670631 is 136076726.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 627670631 - 2²⁶ = 560561767 is a prime.

It is a super-2 number, since 2×627670631² = 787940842039876322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627670633) 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, 503126 + ... + 504371.

It is an arithmetic number, because the mean of its divisors is an integer number (90674820).

Almost surely, 2^627670631 is an apocalyptic number.

627670631 is a deficient number, since it is larger than the sum of its proper divisors (97727929).

627670631 is a wasteful number, since it uses less digits than its factorization.

627670631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007593.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 627670631 is about 25053.3556834209. The cubic root of 627670631 is about 856.2040335066.

The spelling of 627670631 in words is "six hundred twenty-seven million, six hundred seventy thousand, six hundred thirty-one".