32622978 has 8 divisors (see below), whose sum is σ = 65245968. Its totient is φ = 10874324.

The previous prime is 32622959. The next prime is 32622979. The reversal of 32622978 is 87922623.

It is a sphenic number, since it is the product of 3 distinct primes.

32622978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (32622979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718576 + ... + 2718587.

It is an arithmetic number, because the mean of its divisors is an integer number (8155746).

Almost surely, 2^32622978 is an apocalyptic number.

32622978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32622978 is a wasteful number, since it uses less digits than its factorization.

32622978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437168.

The product of its digits is 72576, while the sum is 39.

The square root of 32622978 is about 5711.6528255839. The cubic root of 32622978 is about 319.5272250330.

The spelling of 32622978 in words is "thirty-two million, six hundred twenty-two thousand, nine hundred seventy-eight".