32666472 has 48 divisors (see below), whose sum is σ = 93132000. Its totient is φ = 10315296.

The previous prime is 32666443. The next prime is 32666483. The reversal of 32666472 is 27466623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10572 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (1940250).

Almost surely, 2^32666472 is an apocalyptic number.

It is an amenable number.

32666472 is an abundant number, since it is smaller than the sum of its proper divisors (60465528).

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

32666472 is a wasteful number, since it uses less digits than its factorization.

32666472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910 (or 23903 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 32666472 is about 5715.4590366829. The cubic root of 32666472 is about 319.6691632858.

The spelling of 32666472 in words is "thirty-two million, six hundred sixty-six thousand, four hundred seventy-two".