33920274 has 16 divisors (see below), whose sum is σ = 68658912. Its totient is φ = 11170368.

The previous prime is 33920273. The next prime is 33920279. The reversal of 33920274 is 47202933.

It is not an unprimeable number, because it can be changed into a prime (33920273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33559 + ... + 34554.

It is an arithmetic number, because the mean of its divisors is an integer number (4291182).

Almost surely, 2^33920274 is an apocalyptic number.

33920274 is an abundant number, since it is smaller than the sum of its proper divisors (34738638).

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

33920274 is a wasteful number, since it uses less digits than its factorization.

33920274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68201.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 33920274 is about 5824.1114343735. Note that the first 3 decimals coincide. The cubic root of 33920274 is about 323.7077649967.

The spelling of 33920274 in words is "thirty-three million, nine hundred twenty thousand, two hundred seventy-four".