33690474 has 12 divisors (see below), whose sum is σ = 72996066. Its totient is φ = 11230152.

The previous prime is 33690451. The next prime is 33690491. The reversal of 33690474 is 47409633.

It can be written as a sum of positive squares in only one way, i.e., 19740249 + 13950225 = 4443^2 + 3735^2 .

It is a super-2 number, since 2×33690474² = 2270096076689352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 935829 + ... + 935864.

Almost surely, 2^33690474 is an apocalyptic number.

33690474 is an abundant number, since it is smaller than the sum of its proper divisors (39305592).

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

33690474 is a wasteful number, since it uses less digits than its factorization.

33690474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871701 (or 1871698 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 33690474 is about 5804.3495759646. The cubic root of 33690474 is about 322.9750992827.

The spelling of 33690474 in words is "thirty-three million, six hundred ninety thousand, four hundred seventy-four".