47368931 has 2 divisors, whose sum is σ = 47368932. Its totient is φ = 47368930.

The previous prime is 47368921. The next prime is 47368969. The reversal of 47368931 is 13986374.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47368931 is a prime.

It is a super-2 number, since 2×47368931² = 4487631248165522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47368921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23684465 + 23684466.

It is an arithmetic number, because the mean of its divisors is an integer number (23684466).

Almost surely, 2^47368931 is an apocalyptic number.

47368931 is a deficient number, since it is larger than the sum of its proper divisors (1).

47368931 is an equidigital number, since it uses as much as digits as its factorization.

47368931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 47368931 is about 6882.5090628346. The cubic root of 47368931 is about 361.8244089049.

The spelling of 47368931 in words is "forty-seven million, three hundred sixty-eight thousand, nine hundred thirty-one".