567681964 has 6 divisors (see below), whose sum is σ = 993443444. Its totient is φ = 283840980.

The previous prime is 567681911. The next prime is 567681967. The reversal of 567681964 is 469186765.

It is not an unprimeable number, because it can be changed into a prime (567681967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70960242 + ... + 70960249.

Almost surely, 2^567681964 is an apocalyptic number.

It is an amenable number.

567681964 is a deficient number, since it is larger than the sum of its proper divisors (425761480).

567681964 is a wasteful number, since it uses less digits than its factorization.

567681964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141920495 (or 141920493 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 567681964 is about 23826.0773943173. The cubic root of 567681964 is about 828.0089518819.

The spelling of 567681964 in words is "five hundred sixty-seven million, six hundred eighty-one thousand, nine hundred sixty-four".