33427272 has 16 divisors (see below), whose sum is σ = 83568240. Its totient is φ = 11142416.

The previous prime is 33427271. The next prime is 33427283. The reversal of 33427272 is 27272433.

It is a super-2 number, since 2×33427272² = 2234765026723968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33427271) 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, 696378 + ... + 696425.

It is an arithmetic number, because the mean of its divisors is an integer number (5223015).

Almost surely, 2^33427272 is an apocalyptic number.

It is an amenable number.

33427272 is an abundant number, since it is smaller than the sum of its proper divisors (50140968).

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

33427272 is a wasteful number, since it uses less digits than its factorization.

33427272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392812 (or 1392808 counting only the distinct ones).

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

The square root of 33427272 is about 5781.6322954681. The cubic root of 33427272 is about 322.1318339327.

The spelling of 33427272 in words is "thirty-three million, four hundred twenty-seven thousand, two hundred seventy-two".