47902144 has 14 divisors (see below), whose sum is σ = 95055944. Its totient is φ = 23951040.

The previous prime is 47902139. The next prime is 47902147. The reversal of 47902144 is 44120974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47902147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374172 + ... + 374299.

Almost surely, 2^47902144 is an apocalyptic number.

It is an amenable number.

47902144 is a deficient number, since it is larger than the sum of its proper divisors (47153800).

47902144 is an equidigital number, since it uses as much as digits as its factorization.

47902144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748483 (or 748473 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 47902144 is about 6921.1374787675. The cubic root of 47902144 is about 363.1769836696.

The spelling of 47902144 in words is "forty-seven million, nine hundred two thousand, one hundred forty-four".