33974540 has 12 divisors (see below), whose sum is σ = 71346576. Its totient is φ = 13589808.

The previous prime is 33974509. The next prime is 33974557. The reversal of 33974540 is 4547933.

It is a self number, because there is not a number n which added to its sum of digits gives 33974540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849344 + ... + 849383.

It is an arithmetic number, because the mean of its divisors is an integer number (5945548).

Almost surely, 2^33974540 is an apocalyptic number.

It is an amenable number.

33974540 is an abundant number, since it is smaller than the sum of its proper divisors (37372036).

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

33974540 is a wasteful number, since it uses less digits than its factorization.

33974540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698736 (or 1698734 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 33974540 is about 5828.7683089998. The cubic root of 33974540 is about 323.8802966838.

The spelling of 33974540 in words is "thirty-three million, nine hundred seventy-four thousand, five hundred forty".