32778970 has 16 divisors (see below), whose sum is σ = 67431168. Its totient is φ = 11238480.

The previous prime is 32778959. The next prime is 32778983. The reversal of 32778970 is 7987723.

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, 234066 + ... + 234205.

It is an arithmetic number, because the mean of its divisors is an integer number (4214448).

Almost surely, 2^32778970 is an apocalyptic number.

32778970 is an abundant number, since it is smaller than the sum of its proper divisors (34652198).

32778970 is a wasteful number, since it uses less digits than its factorization.

32778970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468285.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 32778970 is about 5725.2921322846. The cubic root of 32778970 is about 320.0357056512.

It can be divided in two parts, 327 and 78970, that added together give a palindrome (79297).

The spelling of 32778970 in words is "thirty-two million, seven hundred seventy-eight thousand, nine hundred seventy".