47737971 has 16 divisors (see below), whose sum is σ = 71097120. Its totient is φ = 31656960.

The previous prime is 47737951. The next prime is 47737979. The reversal of 47737971 is 17973774.

It is not a de Polignac number, because 47737971 - 2⁵ = 47737939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47737979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (4443570).

Almost surely, 2^47737971 is an apocalyptic number.

47737971 is a deficient number, since it is larger than the sum of its proper divisors (23359149).

47737971 is a wasteful number, since it uses less digits than its factorization.

47737971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9357 counting only the distinct ones).

The product of its digits is 259308, while the sum is 45.

The square root of 47737971 is about 6909.2670378268. The cubic root of 47737971 is about 362.7616083830.

The spelling of 47737971 in words is "forty-seven million, seven hundred thirty-seven thousand, nine hundred seventy-one".