47501947 has 2 divisors, whose sum is σ = 47501948. Its totient is φ = 47501946.

The previous prime is 47501933. The next prime is 47501963. The reversal of 47501947 is 74910574.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47501947 - 2¹⁵ = 47469179 is a prime.

It is not a weakly prime, because it can be changed into another prime (47501977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750973 + 23750974.

It is an arithmetic number, because the mean of its divisors is an integer number (23750974).

Almost surely, 2^47501947 is an apocalyptic number.

47501947 is a deficient number, since it is larger than the sum of its proper divisors (1).

47501947 is an equidigital number, since it uses as much as digits as its factorization.

47501947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 47501947 is about 6892.1656248236. The cubic root of 47501947 is about 362.1627703240.

The spelling of 47501947 in words is "forty-seven million, five hundred one thousand, nine hundred forty-seven".