33047472 has 40 divisors (see below), whose sum is σ = 88320240. Its totient is φ = 10635520.

The previous prime is 33047467. The next prime is 33047557. The reversal of 33047472 is 27474033.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10479 + ... + 13262.

It is an arithmetic number, because the mean of its divisors is an integer number (2208006).

Almost surely, 2^33047472 is an apocalyptic number.

It is an amenable number.

33047472 is an abundant number, since it is smaller than the sum of its proper divisors (55272768).

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

33047472 is a wasteful number, since it uses less digits than its factorization.

33047472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23781 (or 23775 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 33047472 is about 5748.6930688636. The cubic root of 33047472 is about 320.9071654371.

The spelling of 33047472 in words is "thirty-three million, forty-seven thousand, four hundred seventy-two".