32572790 has 16 divisors (see below), whose sum is σ = 59007312. Its totient is φ = 12945504.

The previous prime is 32572789. The next prime is 32572811. The reversal of 32572790 is 9727523.

It is a self number, because there is not a number n which added to its sum of digits gives 32572790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8804 + ... + 11943.

It is an arithmetic number, because the mean of its divisors is an integer number (3687957).

Almost surely, 2^32572790 is an apocalyptic number.

32572790 is a deficient number, since it is larger than the sum of its proper divisors (26434522).

32572790 is a wasteful number, since it uses less digits than its factorization.

32572790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20911.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 32572790 is about 5707.2576602077. The cubic root of 32572790 is about 319.3632847267.

The spelling of 32572790 in words is "thirty-two million, five hundred seventy-two thousand, seven hundred ninety".