47632656 has 40 divisors (see below), whose sum is σ = 123608160. Its totient is φ = 15805696.

The previous prime is 47632631. The next prime is 47632679. The reversal of 47632656 is 65623674.

It is a super-2 number, since 2×47632656² = 4537739835228672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9055 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (3090204).

Almost surely, 2^47632656 is an apocalyptic number.

It is an amenable number.

47632656 is an abundant number, since it is smaller than the sum of its proper divisors (75975504).

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

47632656 is a wasteful number, since it uses less digits than its factorization.

47632656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503 (or 4497 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 47632656 is about 6901.6415438648. The cubic root of 47632656 is about 362.4946485139.

The spelling of 47632656 in words is "forty-seven million, six hundred thirty-two thousand, six hundred fifty-six".