33421080 has 128 divisors (see below), whose sum is σ = 125038080. Its totient is φ = 6942720.

The previous prime is 33421067. The next prime is 33421097. The reversal of 33421080 is 8012433.

It is a happy number.

It is a super-2 number, since 2×33421080² = 2233937176732800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7432 + ... + 11048.

It is an arithmetic number, because the mean of its divisors is an integer number (976860).

Almost surely, 2^33421080 is an apocalyptic number.

33421080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33421080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62519040).

33421080 is an abundant number, since it is smaller than the sum of its proper divisors (91617000).

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

33421080 is a wasteful number, since it uses less digits than its factorization.

33421080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649 (or 3645 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 33421080 is about 5781.0967817534. The cubic root of 33421080 is about 322.1119423555. Note that the first 3 decimals are identical.

The spelling of 33421080 in words is "thirty-three million, four hundred twenty-one thousand, eighty".