32778768 has 40 divisors (see below), whose sum is σ = 92378016. Its totient is φ = 9932800.

The previous prime is 32778763. The next prime is 32778769. The reversal of 32778768 is 86787723.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (32778763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30513 + ... + 31568.

Almost surely, 2^32778768 is an apocalyptic number.

It is an amenable number.

32778768 is an abundant number, since it is smaller than the sum of its proper divisors (59599248).

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

32778768 is a wasteful number, since it uses less digits than its factorization.

32778768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62103 (or 62097 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 32778768 is about 5725.2744912362. The cubic root of 32778768 is about 320.0350482445.

The spelling of 32778768 in words is "thirty-two million, seven hundred seventy-eight thousand, seven hundred sixty-eight".