47761564 has 12 divisors (see below), whose sum is σ = 84728224. Its totient is φ = 23553504.

The previous prime is 47761537. The next prime is 47761601. The reversal of 47761564 is 46516774.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81492 + ... + 82075.

Almost surely, 2^47761564 is an apocalyptic number.

It is an amenable number.

47761564 is a deficient number, since it is larger than the sum of its proper divisors (36966660).

47761564 is a wasteful number, since it uses less digits than its factorization.

47761564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163644 (or 163642 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 47761564 is about 6910.9741715622. The cubic root of 47761564 is about 362.8213597360.

The spelling of 47761564 in words is "forty-seven million, seven hundred sixty-one thousand, five hundred sixty-four".