47635947 has 6 divisors (see below), whose sum is σ = 68807492. Its totient is φ = 31757292.

The previous prime is 47635927. The next prime is 47635949. The reversal of 47635947 is 74953674.

47635947 is a `hidden beast` number, since 4 + 7 + 635 + 9 + 4 + 7 = 666.

It is not a de Polignac number, because 47635947 - 2⁶ = 47635883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47635949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2646433 + ... + 2646450.

Almost surely, 2^47635947 is an apocalyptic number.

47635947 is a deficient number, since it is larger than the sum of its proper divisors (21171545).

47635947 is a wasteful number, since it uses less digits than its factorization.

47635947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292889 (or 5292886 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 47635947 is about 6901.8799612859. The cubic root of 47635947 is about 362.5029967251.

The spelling of 47635947 in words is "forty-seven million, six hundred thirty-five thousand, nine hundred forty-seven".