47690864 has 20 divisors (see below), whose sum is σ = 99509256. Its totient is φ = 22011072.

The previous prime is 47690861. The next prime is 47690873. The reversal of 47690864 is 46809674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47690861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114434 + ... + 114849.

Almost surely, 2^47690864 is an apocalyptic number.

It is an amenable number.

47690864 is an abundant number, since it is smaller than the sum of its proper divisors (51818392).

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

47690864 is a wasteful number, since it uses less digits than its factorization.

47690864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229304 (or 229298 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 47690864 is about 6905.8572241250. The cubic root of 47690864 is about 362.6422468299.

The spelling of 47690864 in words is "forty-seven million, six hundred ninety thousand, eight hundred sixty-four".