627930681 has 8 divisors (see below), whose sum is σ = 956846784. Its totient is φ = 358817520.

The previous prime is 627930673. The next prime is 627930691. The reversal of 627930681 is 186039726.

It is a happy number.

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

It is not a de Polignac number, because 627930681 - 2³ = 627930673 is a prime.

It is a super-2 number, since 2×627930681² = 788593880282247522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (627930691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14950710 + ... + 14950751.

It is an arithmetic number, because the mean of its divisors is an integer number (119605848).

Almost surely, 2^627930681 is an apocalyptic number.

It is an amenable number.

627930681 is a deficient number, since it is larger than the sum of its proper divisors (328916103).

627930681 is a wasteful number, since it uses less digits than its factorization.

627930681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29901471.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 627930681 is about 25058.5450694968. The cubic root of 627930681 is about 856.3222617118.

The spelling of 627930681 in words is "six hundred twenty-seven million, nine hundred thirty thousand, six hundred eighty-one".