47902656 has 56 divisors (see below), whose sum is σ = 127284480. Its totient is φ = 15899392.

The previous prime is 47902607. The next prime is 47902663. The reversal of 47902656 is 65620974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66265 + ... + 66983.

Almost surely, 2^47902656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47902656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63642240).

47902656 is an abundant number, since it is smaller than the sum of its proper divisors (79381824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47902656 is a wasteful number, since it uses less digits than its factorization.

47902656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 47902656 is about 6921.1744668084. The cubic root of 47902656 is about 363.1782775988.

The spelling of 47902656 in words is "forty-seven million, nine hundred two thousand, six hundred fifty-six".