33979472 has 20 divisors (see below), whose sum is σ = 67959936. Its totient is φ = 16441440.

The previous prime is 33979471. The next prime is 33979483. The reversal of 33979472 is 27497933.

33979472 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33979471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33758 + ... + 34749.

Almost surely, 2^33979472 is an apocalyptic number.

It is an amenable number.

33979472 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33979472 is a wasteful number, since it uses less digits than its factorization.

33979472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68546 (or 68540 counting only the distinct ones).

The product of its digits is 285768, while the sum is 44.

The square root of 33979472 is about 5829.1913675912. The cubic root of 33979472 is about 323.8959682262.

The spelling of 33979472 in words is "thirty-three million, nine hundred seventy-nine thousand, four hundred seventy-two".