47075731 has 2 divisors, whose sum is σ = 47075732. Its totient is φ = 47075730.

The previous prime is 47075723. The next prime is 47075761. The reversal of 47075731 is 13757074.

47075731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47075731 - 2³ = 47075723 is a prime.

It is a super-2 number, since 2×47075731² = 4432248898368722, which contains 22 as substring.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (47075761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23537865 + 23537866.

It is an arithmetic number, because the mean of its divisors is an integer number (23537866).

Almost surely, 2^47075731 is an apocalyptic number.

47075731 is a deficient number, since it is larger than the sum of its proper divisors (1).

47075731 is an equidigital number, since it uses as much as digits as its factorization.

47075731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 47075731 is about 6861.1756281267. The cubic root of 47075731 is about 361.0763337939.

The spelling of 47075731 in words is "forty-seven million, seventy-five thousand, seven hundred thirty-one".