47257916 has 12 divisors (see below), whose sum is σ = 86297232. Its totient is φ = 22601568.

The previous prime is 47257897. The next prime is 47257933. The reversal of 47257916 is 61975274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256745 + ... + 256928.

It is an arithmetic number, because the mean of its divisors is an integer number (7191436).

Almost surely, 2^47257916 is an apocalyptic number.

47257916 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

47257916 is a deficient number, since it is larger than the sum of its proper divisors (39039316).

47257916 is a wasteful number, since it uses less digits than its factorization.

47257916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513700 (or 513698 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 47257916 is about 6874.4393225921. The cubic root of 47257916 is about 361.5415275848.

The spelling of 47257916 in words is "forty-seven million, two hundred fifty-seven thousand, nine hundred sixteen".