47688994 has 8 divisors (see below), whose sum is σ = 71565228. Its totient is φ = 23833920.

The previous prime is 47688989. The next prime is 47689003. The reversal of 47688994 is 49988674.

It can be written as a sum of positive squares in 2 ways, for example, as 46063369 + 1625625 = 6787^2 + 1275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2854 + ... + 10174.

Almost surely, 2^47688994 is an apocalyptic number.

47688994 is a deficient number, since it is larger than the sum of its proper divisors (23876234).

47688994 is a wasteful number, since it uses less digits than its factorization.

47688994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10580.

The product of its digits is 3483648, while the sum is 55.

The square root of 47688994 is about 6905.7218304823. The cubic root of 47688994 is about 362.6375069293.

The spelling of 47688994 in words is "forty-seven million, six hundred eighty-eight thousand, nine hundred ninety-four".