33482728 has 32 divisors (see below), whose sum is σ = 65664000. Its totient is φ = 15986880.

The previous prime is 33482671. The next prime is 33482747. The reversal of 33482728 is 82728433.

It is a happy number.

It is a super-2 number, since 2×33482728² = 2242186148643968, which contains 22 as substring.

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, 18738 + ... + 20446.

It is an arithmetic number, because the mean of its divisors is an integer number (2052000).

Almost surely, 2^33482728 is an apocalyptic number.

It is an amenable number.

33482728 is a deficient number, since it is larger than the sum of its proper divisors (32181272).

33482728 is a wasteful number, since it uses less digits than its factorization.

33482728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1821 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 33482728 is about 5786.4261854793. The cubic root of 33482728 is about 322.3098749166.

The spelling of 33482728 in words is "thirty-three million, four hundred eighty-two thousand, seven hundred twenty-eight".