33275380 has 24 divisors (see below), whose sum is σ = 70099848. Its totient is φ = 13267968.

The previous prime is 33275377. The next prime is 33275393. The reversal of 33275380 is 8357233.

It can be written as a sum of positive squares in 4 ways, for example, as 944784 + 32330596 = 972^2 + 5686^2 .

It is a super-2 number, since 2×33275380² = 2214501828288800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 9208.

It is an arithmetic number, because the mean of its divisors is an integer number (2920827).

Almost surely, 2^33275380 is an apocalyptic number.

It is an amenable number.

33275380 is an abundant number, since it is smaller than the sum of its proper divisors (36824468).

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

33275380 is a wasteful number, since it uses less digits than its factorization.

33275380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 33275380 is about 5768.4816026403. The cubic root of 33275380 is about 321.6431755808.

The spelling of 33275380 in words is "thirty-three million, two hundred seventy-five thousand, three hundred eighty".