47137444 has 12 divisors (see below), whose sum is σ = 82552624. Its totient is φ = 23550984.

The previous prime is 47137439. The next prime is 47137451. The reversal of 47137444 is 44473174.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2887 + ... + 10129.

Almost surely, 2^47137444 is an apocalyptic number.

It is an amenable number.

47137444 is a deficient number, since it is larger than the sum of its proper divisors (35415180).

47137444 is a wasteful number, since it uses less digits than its factorization.

47137444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8872 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 47137444 is about 6865.6714165477. The cubic root of 47137444 is about 361.2340468604.

The spelling of 47137444 in words is "forty-seven million, one hundred thirty-seven thousand, four hundred forty-four".