47766564 has 24 divisors (see below), whose sum is σ = 123839520. Its totient is φ = 15922152.

The previous prime is 47766553. The next prime is 47766571. The reversal of 47766564 is 46566774.

It is a happy number.

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, 221034 + ... + 221249.

It is an arithmetic number, because the mean of its divisors is an integer number (5159980).

Almost surely, 2^47766564 is an apocalyptic number.

It is an amenable number.

47766564 is an abundant number, since it is smaller than the sum of its proper divisors (76072956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47766564 is a wasteful number, since it uses less digits than its factorization.

47766564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442296 (or 442288 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 47766564 is about 6911.3359055974. The cubic root of 47766564 is about 362.8340201498.

The spelling of 47766564 in words is "forty-seven million, seven hundred sixty-six thousand, five hundred sixty-four".