47936731 has 2 divisors, whose sum is σ = 47936732. Its totient is φ = 47936730.

The previous prime is 47936723. The next prime is 47936741. The reversal of 47936731 is 13763974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47936731 - 2³ = 47936723 is a prime.

It is a super-2 number, since 2×47936731² = 4595860357932722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47936741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23968365 + 23968366.

It is an arithmetic number, because the mean of its divisors is an integer number (23968366).

Almost surely, 2^47936731 is an apocalyptic number.

47936731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47936731 is an equidigital number, since it uses as much as digits as its factorization.

47936731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 40.

The square root of 47936731 is about 6923.6356778791. The cubic root of 47936731 is about 363.2643714097.

The spelling of 47936731 in words is "forty-seven million, nine hundred thirty-six thousand, seven hundred thirty-one".