47639272 has 16 divisors (see below), whose sum is σ = 89403300. Its totient is φ = 23798400.

The previous prime is 47639243. The next prime is 47639299. The reversal of 47639272 is 27293674.

It can be written as a sum of positive squares in 2 ways, for example, as 44275716 + 3363556 = 6654^2 + 1834^2 .

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, 11022 + ... + 14722.

Almost surely, 2^47639272 is an apocalyptic number.

It is an amenable number.

47639272 is a deficient number, since it is larger than the sum of its proper divisors (41764028).

47639272 is a wasteful number, since it uses less digits than its factorization.

47639272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5312 counting only the distinct ones).

The product of its digits is 127008, while the sum is 40.

The square root of 47639272 is about 6902.1208334830. The cubic root of 47639272 is about 362.5114307929.

The spelling of 47639272 in words is "forty-seven million, six hundred thirty-nine thousand, two hundred seventy-two".