47857672 has 32 divisors (see below), whose sum is σ = 91791000. Its totient is φ = 23385600.

The previous prime is 47857657. The next prime is 47857681. The reversal of 47857672 is 27675874.

It can be written as a sum of positive squares in 4 ways, for example, as 37527876 + 10329796 = 6126^2 + 3214^2 .

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, 136954 + ... + 137302.

Almost surely, 2^47857672 is an apocalyptic number.

It is an amenable number.

47857672 is a deficient number, since it is larger than the sum of its proper divisors (43933328).

47857672 is a wasteful number, since it uses less digits than its factorization.

47857672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 693 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 47857672 is about 6917.9239660465. The cubic root of 47857672 is about 363.0645585861.

The spelling of 47857672 in words is "forty-seven million, eight hundred fifty-seven thousand, six hundred seventy-two".