33256072 has 32 divisors (see below), whose sum is σ = 64120320. Its totient is φ = 16162560.

The previous prime is 33256051. The next prime is 33256073. The reversal of 33256072 is 27065233.

It is a super-2 number, since 2×33256072² = 2211932649738368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33256072.

It is not an unprimeable number, because it can be changed into a prime (33256073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90433 + ... + 90799.

It is an arithmetic number, because the mean of its divisors is an integer number (2003760).

Almost surely, 2^33256072 is an apocalyptic number.

It is an amenable number.

33256072 is a deficient number, since it is larger than the sum of its proper divisors (30864248).

33256072 is a wasteful number, since it uses less digits than its factorization.

33256072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 33256072 is about 5766.8077824738. The cubic root of 33256072 is about 321.5809525199.

The spelling of 33256072 in words is "thirty-three million, two hundred fifty-six thousand, seventy-two".