32790780 has 72 divisors (see below), whose sum is σ = 108514224. Its totient is φ = 7948800.

The previous prime is 32790763. The next prime is 32790833. The reversal of 32790780 is 8709723.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 6301 + ... + 10260.

It is an arithmetic number, because the mean of its divisors is an integer number (1507142).

Almost surely, 2^32790780 is an apocalyptic number.

32790780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32790780 is an abundant number, since it is smaller than the sum of its proper divisors (75723444).

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

32790780 is a wasteful number, since it uses less digits than its factorization.

32790780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16587 (or 16582 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 32790780 is about 5726.3234278200. The cubic root of 32790780 is about 320.0741364688.

The spelling of 32790780 in words is "thirty-two million, seven hundred ninety thousand, seven hundred eighty".