33373980 has 72 divisors (see below), whose sum is σ = 104517504. Its totient is φ = 8611200.

The previous prime is 33373969. The next prime is 33373981. The reversal of 33373980 is 8937333.

It is a happy number.

It is a super-2 number, since 2×33373980² = 2227645082080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33373981) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2590 + ... + 8570.

It is an arithmetic number, because the mean of its divisors is an integer number (1451632).

Almost surely, 2^33373980 is an apocalyptic number.

33373980 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 33373980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52258752).

33373980 is an abundant number, since it is smaller than the sum of its proper divisors (71143524).

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

33373980 is a wasteful number, since it uses less digits than its factorization.

33373980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6027 (or 6022 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 33373980 is about 5777.0217240374. The cubic root of 33373980 is about 321.9605548173.

The spelling of 33373980 in words is "thirty-three million, three hundred seventy-three thousand, nine hundred eighty".