33245680 has 60 divisors (see below), whose sum is σ = 83733480. Its totient is φ = 12270336.

The previous prime is 33245677. The next prime is 33245689. The reversal of 33245680 is 8654233.

It is a super-2 number, since 2×33245680² = 2210550477324800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33245689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12291 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (1395558).

Almost surely, 2^33245680 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 33245680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41866740).

33245680 is an abundant number, since it is smaller than the sum of its proper divisors (50487800).

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

33245680 is a wasteful number, since it uses less digits than its factorization.

33245680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 33245680 is about 5765.9066936606. The cubic root of 33245680 is about 321.5474526985.

The spelling of 33245680 in words is "thirty-three million, two hundred forty-five thousand, six hundred eighty".