32453320 has 64 divisors (see below), whose sum is σ = 76561200. Its totient is φ = 12364800.

The previous prime is 32453297. The next prime is 32453321. The reversal of 32453320 is 2335423.

It can be written as a sum of positive squares in 8 ways, for example, as 18028516 + 14424804 = 4246^2 + 3798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32453291 and 32453300.

It is not an unprimeable number, because it can be changed into a prime (32453321) 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, 117022 + ... + 117298.

Almost surely, 2^32453320 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 32453320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38280600).

32453320 is an abundant number, since it is smaller than the sum of its proper divisors (44107880).

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

32453320 is a wasteful number, since it uses less digits than its factorization.

32453320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 32453320 is about 5696.7815475056. The cubic root of 32453320 is about 318.9723544010.

Adding to 32453320 its reverse (2335423), we get a palindrome (34788743).

The spelling of 32453320 in words is "thirty-two million, four hundred fifty-three thousand, three hundred twenty".