33506072 has 8 divisors (see below), whose sum is σ = 62823900. Its totient is φ = 16753032.

The previous prime is 33506047. The next prime is 33506093. The reversal of 33506072 is 27060533.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33506072² = 2245313721738368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094122 + ... + 2094137.

Almost surely, 2^33506072 is an apocalyptic number.

It is an amenable number.

33506072 is a deficient number, since it is larger than the sum of its proper divisors (29317828).

33506072 is a wasteful number, since it uses less digits than its factorization.

33506072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188265 (or 4188261 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 33506072 is about 5788.4429685365. The cubic root of 33506072 is about 322.3847618237.

The spelling of 33506072 in words is "thirty-three million, five hundred six thousand, seventy-two".