32778325 has 24 divisors (see below), whose sum is σ = 43161920. Its totient is φ = 24624000.

The previous prime is 32778313. The next prime is 32778331. The reversal of 32778325 is 52387723.

It is not a de Polignac number, because 32778325 - 2¹⁷ = 32647253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71497 + ... + 71953.

Almost surely, 2^32778325 is an apocalyptic number.

It is an amenable number.

32778325 is a deficient number, since it is larger than the sum of its proper divisors (10383595).

32778325 is a wasteful number, since it uses less digits than its factorization.

32778325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 32778325 is about 5725.2358030041. The cubic root of 32778325 is about 320.0336064966.

The spelling of 32778325 in words is "thirty-two million, seven hundred seventy-eight thousand, three hundred twenty-five".