32320472 has 8 divisors (see below), whose sum is σ = 60600900. Its totient is φ = 16160232.

The previous prime is 32320469. The next prime is 32320489. The reversal of 32320472 is 27402323.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×32320472² = 2089225820605568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020022 + ... + 2020037.

Almost surely, 2^32320472 is an apocalyptic number.

It is an amenable number.

32320472 is a deficient number, since it is larger than the sum of its proper divisors (28280428).

32320472 is a wasteful number, since it uses less digits than its factorization.

32320472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040065 (or 4040061 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 32320472 is about 5685.1096735243. The cubic root of 32320472 is about 318.5365202880.

Adding to 32320472 its reverse (27402323), we get a palindrome (59722795).

The spelling of 32320472 in words is "thirty-two million, three hundred twenty thousand, four hundred seventy-two".