33974418 has 16 divisors (see below), whose sum is σ = 68049216. Its totient is φ = 11308080.

The previous prime is 33974417. The next prime is 33974441. The reversal of 33974418 is 81447933.

It is a super-2 number, since 2×33974418² = 2308522156877448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33974411) 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, 648 + ... + 8268.

It is an arithmetic number, because the mean of its divisors is an integer number (4253076).

Almost surely, 2^33974418 is an apocalyptic number.

33974418 is an abundant number, since it is smaller than the sum of its proper divisors (34074798).

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

33974418 is a wasteful number, since it uses less digits than its factorization.

33974418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369.

The product of its digits is 72576, while the sum is 39.

The square root of 33974418 is about 5828.7578436576. The cubic root of 33974418 is about 323.8799090068.

The spelling of 33974418 in words is "thirty-three million, nine hundred seventy-four thousand, four hundred eighteen".