47322137 has 8 divisors (see below), whose sum is σ = 47720904. Its totient is φ = 46925568.

The previous prime is 47322127. The next prime is 47322173. The reversal of 47322137 is 73122374.

It can be written as a sum of positive squares in 4 ways, for example, as 9634816 + 37687321 = 3104^2 + 6139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47322137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47322127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109073 + ... + 109505.

It is an arithmetic number, because the mean of its divisors is an integer number (5965113).

Almost surely, 2^47322137 is an apocalyptic number.

It is an amenable number.

47322137 is a deficient number, since it is larger than the sum of its proper divisors (398767).

47322137 is a wasteful number, since it uses less digits than its factorization.

47322137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its digits is 7056, while the sum is 29.

The square root of 47322137 is about 6879.1087358756. The cubic root of 47322137 is about 361.7052253717.

The spelling of 47322137 in words is "forty-seven million, three hundred twenty-two thousand, one hundred thirty-seven".