47257712 has 20 divisors (see below), whose sum is σ = 96381480. Its totient is φ = 22385088.

The previous prime is 47257711. The next prime is 47257723. The reversal of 47257712 is 21775274.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47257711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77423 + ... + 78030.

It is an arithmetic number, because the mean of its divisors is an integer number (4819074).

Almost surely, 2^47257712 is an apocalyptic number.

It is an amenable number.

47257712 is an abundant number, since it is smaller than the sum of its proper divisors (49123768).

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

47257712 is a wasteful number, since it uses less digits than its factorization.

47257712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155480 (or 155474 counting only the distinct ones).

The product of its digits is 27440, while the sum is 35.

The square root of 47257712 is about 6874.4244850024. The cubic root of 47257712 is about 361.5410073575.

The spelling of 47257712 in words is "forty-seven million, two hundred fifty-seven thousand, seven hundred twelve".