33081380 has 24 divisors (see below), whose sum is σ = 69675648. Its totient is φ = 13193568.

The previous prime is 33081353. The next prime is 33081397. The reversal of 33081380 is 8318033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5087 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (2903152).

Almost surely, 2^33081380 is an apocalyptic number.

It is an amenable number.

33081380 is an abundant number, since it is smaller than the sum of its proper divisors (36594268).

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

33081380 is a wasteful number, since it uses less digits than its factorization.

33081380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883 (or 4881 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 33081380 is about 5751.6415048228. The cubic root of 33081380 is about 321.0168823592.

The spelling of 33081380 in words is "thirty-three million, eighty-one thousand, three hundred eighty".