32272990 has 16 divisors (see below), whose sum is σ = 58657248. Its totient is φ = 12783456.

The previous prime is 32272957. The next prime is 32272997. The reversal of 32272990 is 9927223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32272997) 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, 14637 + ... + 16696.

It is an arithmetic number, because the mean of its divisors is an integer number (3666078).

Almost surely, 2^32272990 is an apocalyptic number.

32272990 is a deficient number, since it is larger than the sum of its proper divisors (26384258).

32272990 is a wasteful number, since it uses less digits than its factorization.

32272990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 32272990 is about 5680.9321418232. The cubic root of 32272990 is about 318.3804565225.

The spelling of 32272990 in words is "thirty-two million, two hundred seventy-two thousand, nine hundred ninety".