32240712 has 64 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 8995392.

The previous prime is 32240707. The next prime is 32240723. The reversal of 32240712 is 21704223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 2^32240712 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 32240712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47139840).

32240712 is an abundant number, since it is smaller than the sum of its proper divisors (62038968).

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

32240712 is a wasteful number, since it uses less digits than its factorization.

32240712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 32240712 is about 5678.0905241111. The cubic root of 32240712 is about 318.2742778224.

Adding to 32240712 its reverse (21704223), we get a palindrome (53944935).

The spelling of 32240712 in words is "thirty-two million, two hundred forty thousand, seven hundred twelve".