47004731 has 2 divisors, whose sum is σ = 47004732. Its totient is φ = 47004730.

The previous prime is 47004707. The next prime is 47004733. The reversal of 47004731 is 13740074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47004731 - 2⁶ = 47004667 is a prime.

It is a super-2 number, since 2×47004731² = 4418889472764722, which contains 22 as substring.

Together with 47004733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47004731.

It is not a weakly prime, because it can be changed into another prime (47004733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23502365 + 23502366.

It is an arithmetic number, because the mean of its divisors is an integer number (23502366).

Almost surely, 2^47004731 is an apocalyptic number.

47004731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47004731 is an equidigital number, since it uses as much as digits as its factorization.

47004731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 47004731 is about 6855.9996353559. Note that the first 3 decimals coincide. The cubic root of 47004731 is about 360.8947163709.

The spelling of 47004731 in words is "forty-seven million, four thousand, seven hundred thirty-one".