47665572 has 24 divisors (see below), whose sum is σ = 112562016. Its totient is φ = 15696768.

The previous prime is 47665561. The next prime is 47665577. The reversal of 47665572 is 27556674.

47665572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (47665577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22933 + ... + 24924.

It is an arithmetic number, because the mean of its divisors is an integer number (4690084).

Almost surely, 2^47665572 is an apocalyptic number.

It is an amenable number.

47665572 is an abundant number, since it is smaller than the sum of its proper divisors (64896444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47665572 is a wasteful number, since it uses less digits than its factorization.

47665572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47947 (or 47945 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 47665572 is about 6904.0257821071. The cubic root of 47665572 is about 362.5781285425.

The spelling of 47665572 in words is "forty-seven million, six hundred sixty-five thousand, five hundred seventy-two".