627734890 has 16 divisors (see below), whose sum is σ = 1130830632. Its totient is φ = 250892224.

The previous prime is 627734881. The next prime is 627734923. The reversal of 627734890 is 98437726.

It can be written as a sum of positive squares in 4 ways, for example, as 561263481 + 66471409 = 23691^2 + 8153^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 627734890.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11809 + ... + 37348.

Almost surely, 2^627734890 is an apocalyptic number.

627734890 is a deficient number, since it is larger than the sum of its proper divisors (503095742).

627734890 is a wasteful number, since it uses less digits than its factorization.

627734890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50441.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 627734890 is about 25054.6380935746. The cubic root of 627734890 is about 856.2332510266.

The spelling of 627734890 in words is "six hundred twenty-seven million, seven hundred thirty-four thousand, eight hundred ninety".