33664012 has 48 divisors (see below), whose sum is σ = 66195360. Its totient is φ = 14902272.

The previous prime is 33664003. The next prime is 33664039. The reversal of 33664012 is 21046633.

It is a super-2 number, since 2×33664012² = 2266531407872288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84598 + ... + 84994.

It is an arithmetic number, because the mean of its divisors is an integer number (1379070).

Almost surely, 2^33664012 is an apocalyptic number.

It is an amenable number.

33664012 is a deficient number, since it is larger than the sum of its proper divisors (32531348).

33664012 is a wasteful number, since it uses less digits than its factorization.

33664012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 33664012 is about 5802.0696307438. The cubic root of 33664012 is about 322.8905174543.

The spelling of 33664012 in words is "thirty-three million, six hundred sixty-four thousand, twelve".