47881312 has 12 divisors (see below), whose sum is σ = 94266396. Its totient is φ = 23940640.

The previous prime is 47881303. The next prime is 47881343. The reversal of 47881312 is 21318874.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748114 + ... + 748177.

It is an arithmetic number, because the mean of its divisors is an integer number (7855533).

Almost surely, 2^47881312 is an apocalyptic number.

It is an amenable number.

47881312 is a deficient number, since it is larger than the sum of its proper divisors (46385084).

47881312 is a wasteful number, since it uses less digits than its factorization.

47881312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496301 (or 1496293 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 47881312 is about 6919.6323601764. The cubic root of 47881312 is about 363.1243291027.

The spelling of 47881312 in words is "forty-seven million, eight hundred eighty-one thousand, three hundred twelve".