47531906 has 16 divisors (see below), whose sum is σ = 72549600. Its totient is φ = 23351328.

The previous prime is 47531879. The next prime is 47531917. The reversal of 47531906 is 60913574.

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, 54905 + ... + 55763.

It is an arithmetic number, because the mean of its divisors is an integer number (4534350).

Almost surely, 2^47531906 is an apocalyptic number.

47531906 is a deficient number, since it is larger than the sum of its proper divisors (25017694).

47531906 is a wasteful number, since it uses less digits than its factorization.

47531906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 47531906 is about 6894.3386919994. The cubic root of 47531906 is about 362.2388917949.

The spelling of 47531906 in words is "forty-seven million, five hundred thirty-one thousand, nine hundred six".