47997272 has 16 divisors (see below), whose sum is σ = 90258000. Its totient is φ = 23928480.

The previous prime is 47997253. The next prime is 47997289. The reversal of 47997272 is 27279974.

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, 5804 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (5641125).

Almost surely, 2^47997272 is an apocalyptic number.

It is an amenable number.

47997272 is a deficient number, since it is larger than the sum of its proper divisors (42260728).

47997272 is a wasteful number, since it uses less digits than its factorization.

47997272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17546 (or 17542 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 47997272 is about 6928.0063510363. The cubic root of 47997272 is about 363.4172335680.

The spelling of 47997272 in words is "forty-seven million, nine hundred ninety-seven thousand, two hundred seventy-two".