47042656 has 24 divisors (see below), whose sum is σ = 93471840. Its totient is φ = 23303808.

The previous prime is 47042627. The next prime is 47042663. The reversal of 47042656 is 65624074.

It is a super-2 number, since 2×47042656² = 4426022967068672, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3256 + ... + 10231.

It is an arithmetic number, because the mean of its divisors is an integer number (3894660).

Almost surely, 2^47042656 is an apocalyptic number.

It is an amenable number.

47042656 is a deficient number, since it is larger than the sum of its proper divisors (46429184).

47042656 is a wasteful number, since it uses less digits than its factorization.

47042656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 47042656 is about 6858.7649033919. The cubic root of 47042656 is about 360.9917509491.

The spelling of 47042656 in words is "forty-seven million, forty-two thousand, six hundred fifty-six".