32668978 has 16 divisors (see below), whose sum is σ = 51042816. Its totient is φ = 15664320.

The previous prime is 32668957. The next prime is 32668997. The reversal of 32668978 is 87986623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4675 + ... + 9337.

It is an arithmetic number, because the mean of its divisors is an integer number (3190176).

Almost surely, 2^32668978 is an apocalyptic number.

32668978 is a deficient number, since it is larger than the sum of its proper divisors (18373838).

32668978 is a wasteful number, since it uses less digits than its factorization.

32668978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809.

The product of its digits is 870912, while the sum is 49.

The square root of 32668978 is about 5715.6782624637. The cubic root of 32668978 is about 319.6773375227.

The spelling of 32668978 in words is "thirty-two million, six hundred sixty-eight thousand, nine hundred seventy-eight".