32742172 has 12 divisors (see below), whose sum is σ = 57989736. Its totient is φ = 16173680.

The previous prime is 32742167. The next prime is 32742173. The reversal of 32742172 is 27124723.

It is a self number, because there is not a number n which added to its sum of digits gives 32742172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32742173) 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, 48979 + ... + 49642.

It is an arithmetic number, because the mean of its divisors is an integer number (4832478).

Almost surely, 2^32742172 is an apocalyptic number.

It is an amenable number.

32742172 is a deficient number, since it is larger than the sum of its proper divisors (25247564).

32742172 is a wasteful number, since it uses less digits than its factorization.

32742172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98708 (or 98706 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 32742172 is about 5722.0775947203. The cubic root of 32742172 is about 319.9159023798.

Adding to 32742172 its reverse (27124723), we get a palindrome (59866895).

The spelling of 32742172 in words is "thirty-two million, seven hundred forty-two thousand, one hundred seventy-two".