33894672 has 60 divisors (see below), whose sum is σ = 101864016. Its totient is φ = 9683520.

The previous prime is 33894647. The next prime is 33894683. The reversal of 33894672 is 27649833.

It is a super-2 number, since 2×33894672² = 2297697579975168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4854 + ... + 9557.

Almost surely, 2^33894672 is an apocalyptic number.

It is an amenable number.

33894672 is an abundant number, since it is smaller than the sum of its proper divisors (67969344).

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

33894672 is a wasteful number, since it uses less digits than its factorization.

33894672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436 (or 14423 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 33894672 is about 5821.9130876371. The cubic root of 33894672 is about 323.6263028782.

The spelling of 33894672 in words is "thirty-three million, eight hundred ninety-four thousand, six hundred seventy-two".