33274440 has 96 divisors (see below), whose sum is σ = 114524280. Its totient is φ = 8349696.

The previous prime is 33274429. The next prime is 33274469. The reversal of 33274440 is 4447233.

It can be written as a sum of positive squares in 4 ways, for example, as 30669444 + 2604996 = 5538^2 + 1614^2 .

It is a super-2 number, since 2×33274440² = 2214376714627200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3402 + ... + 8838.

Almost surely, 2^33274440 is an apocalyptic number.

33274440 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 33274440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57262140).

33274440 is an abundant number, since it is smaller than the sum of its proper divisors (81249840).

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

33274440 is a wasteful number, since it uses less digits than its factorization.

33274440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471 (or 5464 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 33274440 is about 5768.4001248180. The cubic root of 33274440 is about 321.6401468407.

The spelling of 33274440 in words is "thirty-three million, two hundred seventy-four thousand, four hundred forty".