47660644 has 12 divisors (see below), whose sum is σ = 83619004. Its totient is φ = 23769504.

The previous prime is 47660629. The next prime is 47660677. The reversal of 47660644 is 44606674.

It can be written as a sum of positive squares in 2 ways, for example, as 10304100 + 37356544 = 3210^2 + 6112^2 .

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, 13419 + ... + 16594.

Almost surely, 2^47660644 is an apocalyptic number.

It is an amenable number.

47660644 is a deficient number, since it is larger than the sum of its proper divisors (35958360).

47660644 is a wasteful number, since it uses less digits than its factorization.

47660644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30414 (or 30412 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 47660644 is about 6903.6688796610. The cubic root of 47660644 is about 362.5656328247.

The spelling of 47660644 in words is "forty-seven million, six hundred sixty thousand, six hundred forty-four".