32664642 has 32 divisors (see below), whose sum is σ = 67728960. Its totient is φ = 10495680.

The previous prime is 32664617. The next prime is 32664677. The reversal of 32664642 is 24646623.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17892 + ... + 19632.

It is an arithmetic number, because the mean of its divisors is an integer number (2116530).

Almost surely, 2^32664642 is an apocalyptic number.

32664642 is an abundant number, since it is smaller than the sum of its proper divisors (35064318).

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

32664642 is a wasteful number, since it uses less digits than its factorization.

32664642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 41472, while the sum is 33.

The square root of 32664642 is about 5715.2989423126. The cubic root of 32664642 is about 319.6631938064.

The spelling of 32664642 in words is "thirty-two million, six hundred sixty-four thousand, six hundred forty-two".