627690464 has 12 divisors (see below), whose sum is σ = 1235765664. Its totient is φ = 313845216.

The previous prime is 627690463. The next prime is 627690467. The reversal of 627690464 is 464096726.

627690464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (627690461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9807632 + ... + 9807695.

It is an arithmetic number, because the mean of its divisors is an integer number (102980472).

Almost surely, 2^627690464 is an apocalyptic number.

It is an amenable number.

627690464 is a deficient number, since it is larger than the sum of its proper divisors (608075200).

627690464 is a wasteful number, since it uses less digits than its factorization.

627690464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615337 (or 19615329 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 627690464 is about 25053.7514955346. The cubic root of 627690464 is about 856.2130514612.

The spelling of 627690464 in words is "six hundred twenty-seven million, six hundred ninety thousand, four hundred sixty-four".