47989672 has 8 divisors (see below), whose sum is σ = 89980650. Its totient is φ = 23994832.

The previous prime is 47989663. The next prime is 47989673. The reversal of 47989672 is 27698974.

It can be written as a sum of positive squares in only one way, i.e., 39614436 + 8375236 = 6294^2 + 2894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (47989673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999347 + ... + 2999362.

Almost surely, 2^47989672 is an apocalyptic number.

It is an amenable number.

47989672 is a deficient number, since it is larger than the sum of its proper divisors (41990978).

47989672 is a wasteful number, since it uses less digits than its factorization.

47989672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998715 (or 5998711 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 47989672 is about 6927.4578309796. The cubic root of 47989672 is about 363.3980511113.

The spelling of 47989672 in words is "forty-seven million, nine hundred eighty-nine thousand, six hundred seventy-two".