47724988 has 12 divisors (see below), whose sum is σ = 83787760. Its totient is φ = 23785632.

The previous prime is 47724973. The next prime is 47725009. The reversal of 47724988 is 88942774.

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, 17808 + ... + 20311.

Almost surely, 2^47724988 is an apocalyptic number.

It is an amenable number.

47724988 is a deficient number, since it is larger than the sum of its proper divisors (36062772).

47724988 is a wasteful number, since it uses less digits than its factorization.

47724988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38436 (or 38434 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 47724988 is about 6908.3274386786. The cubic root of 47724988 is about 362.7287193928.

The spelling of 47724988 in words is "forty-seven million, seven hundred twenty-four thousand, nine hundred eighty-eight".