32731412 has 36 divisors (see below), whose sum is σ = 68793984. Its totient is φ = 13572720.

The previous prime is 32731399. The next prime is 32731417. The reversal of 32731412 is 21413723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32731417) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3383 + ... + 8769.

It is an arithmetic number, because the mean of its divisors is an integer number (1910944).

Almost surely, 2^32731412 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 32731412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34396992).

32731412 is an abundant number, since it is smaller than the sum of its proper divisors (36062572).

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

32731412 is a wasteful number, since it uses less digits than its factorization.

32731412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5427 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 32731412 is about 5721.1372995236. The cubic root of 32731412 is about 319.8808540813.

The spelling of 32731412 in words is "thirty-two million, seven hundred thirty-one thousand, four hundred twelve".