32087172 has 48 divisors (see below), whose sum is σ = 81793152. Its totient is φ = 9730560.

The previous prime is 32087161. The next prime is 32087173. The reversal of 32087172 is 27178023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32087173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9628 + ... + 12524.

It is an arithmetic number, because the mean of its divisors is an integer number (1704024).

Almost surely, 2^32087172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32087172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40896576).

32087172 is an abundant number, since it is smaller than the sum of its proper divisors (49705980).

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

32087172 is a wasteful number, since it uses less digits than its factorization.

32087172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 32087172 is about 5664.5539983303. The cubic root of 32087172 is about 317.7682342734.

The spelling of 32087172 in words is "thirty-two million, eighty-seven thousand, one hundred seventy-two".