47657212 has 6 divisors (see below), whose sum is σ = 83400128. Its totient is φ = 23828604.

The previous prime is 47657087. The next prime is 47657213. The reversal of 47657212 is 21275674.

It is a super-2 number, since 2×47657212² = 4542419711225888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47657213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5957148 + ... + 5957155.

Almost surely, 2^47657212 is an apocalyptic number.

It is an amenable number.

47657212 is a deficient number, since it is larger than the sum of its proper divisors (35742916).

47657212 is a wasteful number, since it uses less digits than its factorization.

47657212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914307 (or 11914305 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 47657212 is about 6903.4203117006. The cubic root of 47657212 is about 362.5569299411.

The spelling of 47657212 in words is "forty-seven million, six hundred fifty-seven thousand, two hundred twelve".