32470240 has 96 divisors (see below), whose sum is σ = 88179840. Its totient is φ = 11174400.

The previous prime is 32470189. The next prime is 32470271. The reversal of 32470240 is 4207423.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 32955 + ... + 33925.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^32470240 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 32470240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44089920).

32470240 is an abundant number, since it is smaller than the sum of its proper divisors (55709600).

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

32470240 is a wasteful number, since it uses less digits than its factorization.

32470240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 32470240 is about 5698.2664030387. The cubic root of 32470240 is about 319.0277783615.

Adding to 32470240 its reverse (4207423), we get a palindrome (36677663).

The spelling of 32470240 in words is "thirty-two million, four hundred seventy thousand, two hundred forty".