47657020 has 12 divisors (see below), whose sum is σ = 100079784. Its totient is φ = 19062800.

The previous prime is 47657011. The next prime is 47657041. The reversal of 47657020 is 2075674.

47657020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191406 + ... + 1191445.

It is an arithmetic number, because the mean of its divisors is an integer number (8339982).

Almost surely, 2^47657020 is an apocalyptic number.

It is an amenable number.

47657020 is an abundant number, since it is smaller than the sum of its proper divisors (52422764).

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

47657020 is a wasteful number, since it uses less digits than its factorization.

47657020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382860 (or 2382858 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47657020 is about 6903.4064055363. The cubic root of 47657020 is about 362.5564430541.

The spelling of 47657020 in words is "forty-seven million, six hundred fifty-seven thousand, twenty".