33674420 has 24 divisors (see below), whose sum is σ = 76156584. Its totient is φ = 12433536.

The previous prime is 33674413. The next prime is 33674471. The reversal of 33674420 is 2447633.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 31764496 = 1382^2 + 5636^2 .

It is a super-2 number, since 2×33674420² = 2267933124672800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64499 + ... + 65018.

It is an arithmetic number, because the mean of its divisors is an integer number (3173191).

Almost surely, 2^33674420 is an apocalyptic number.

It is an amenable number.

33674420 is an abundant number, since it is smaller than the sum of its proper divisors (42482164).

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

33674420 is a wasteful number, since it uses less digits than its factorization.

33674420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129539 (or 129537 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 33674420 is about 5802.9664827569. The cubic root of 33674420 is about 322.9237903574.

The spelling of 33674420 in words is "thirty-three million, six hundred seventy-four thousand, four hundred twenty".