47633917 has 2 divisors, whose sum is σ = 47633918. Its totient is φ = 47633916.

The previous prime is 47633899. The next prime is 47633933. The reversal of 47633917 is 71933674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 10106041 = 6126^2 + 3179^2 .

It is a cyclic number.

It is not a de Polignac number, because 47633917 - 2²³ = 39245309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47633917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47633947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23816958 + 23816959.

It is an arithmetic number, because the mean of its divisors is an integer number (23816959).

Almost surely, 2^47633917 is an apocalyptic number.

It is an amenable number.

47633917 is a deficient number, since it is larger than the sum of its proper divisors (1).

47633917 is an equidigital number, since it uses as much as digits as its factorization.

47633917 is an evil number, because the sum of its binary digits is even.

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

The square root of 47633917 is about 6901.7328983379. The cubic root of 47633917 is about 362.4978473118.

The spelling of 47633917 in words is "forty-seven million, six hundred thirty-three thousand, nine hundred seventeen".