33427472 has 20 divisors (see below), whose sum is σ = 69748140. Its totient is φ = 15427968.

The previous prime is 33427447. The next prime is 33427489. The reversal of 33427472 is 27472433.

It can be written as a sum of positive squares in 2 ways, for example, as 7376656 + 26050816 = 2716^2 + 5104^2 .

It is a super-2 number, since 2×33427472² = 2234791768621568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80147 + ... + 80562.

It is an arithmetic number, because the mean of its divisors is an integer number (3487407).

Almost surely, 2^33427472 is an apocalyptic number.

It is an amenable number.

33427472 is an abundant number, since it is smaller than the sum of its proper divisors (36320668).

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

33427472 is a wasteful number, since it uses less digits than its factorization.

33427472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160730 (or 160724 counting only the distinct ones).

The product of its digits is 28224, while the sum is 32.

The square root of 33427472 is about 5781.6495915958. The cubic root of 33427472 is about 322.1324763846.

The spelling of 33427472 in words is "thirty-three million, four hundred twenty-seven thousand, four hundred seventy-two".