47631957 has 16 divisors (see below), whose sum is σ = 64628928. Its totient is φ = 31199360.

The previous prime is 47631953. The next prime is 47632049. The reversal of 47631957 is 75913674.

It is a cyclic number.

It is not a de Polignac number, because 47631957 - 2² = 47631953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47631953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57607 + ... + 58427.

It is an arithmetic number, because the mean of its divisors is an integer number (4039308).

Almost surely, 2^47631957 is an apocalyptic number.

It is an amenable number.

47631957 is a deficient number, since it is larger than the sum of its proper divisors (16996971).

47631957 is a wasteful number, since it uses less digits than its factorization.

47631957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its digits is 158760, while the sum is 42.

The square root of 47631957 is about 6901.5909035526. The cubic root of 47631957 is about 362.4928753257.

The spelling of 47631957 in words is "forty-seven million, six hundred thirty-one thousand, nine hundred fifty-seven".