47673137 has 2 divisors, whose sum is σ = 47673138. Its totient is φ = 47673136.

The previous prime is 47673107. The next prime is 47673139. The reversal of 47673137 is 73137674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 7921 = 6904^2 + 89^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47673137 is a prime.

Together with 47673139, 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 47673137.

It is not a weakly prime, because it can be changed into another prime (47673139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23836568 + 23836569.

It is an arithmetic number, because the mean of its divisors is an integer number (23836569).

Almost surely, 2^47673137 is an apocalyptic number.

It is an amenable number.

47673137 is a deficient number, since it is larger than the sum of its proper divisors (1).

47673137 is an equidigital number, since it uses as much as digits as its factorization.

47673137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 38.

The square root of 47673137 is about 6904.5736291244. The cubic root of 47673137 is about 362.5973091119.

The spelling of 47673137 in words is "forty-seven million, six hundred seventy-three thousand, one hundred thirty-seven".