32872780 has 12 divisors (see below), whose sum is σ = 69032880. Its totient is φ = 13149104.

The previous prime is 32872757. The next prime is 32872789. The reversal of 32872780 is 8727823.

It is not an unprimeable number, because it can be changed into a prime (32872789) 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, 821800 + ... + 821839.

It is an arithmetic number, because the mean of its divisors is an integer number (5752740).

Almost surely, 2^32872780 is an apocalyptic number.

It is an amenable number.

32872780 is an abundant number, since it is smaller than the sum of its proper divisors (36160100).

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

32872780 is a wasteful number, since it uses less digits than its factorization.

32872780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643648 (or 1643646 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 32872780 is about 5733.4788741217. The cubic root of 32872780 is about 320.3407178234.

The spelling of 32872780 in words is "thirty-two million, eight hundred seventy-two thousand, seven hundred eighty".