33664037 has 8 divisors (see below), whose sum is σ = 36804000. Its totient is φ = 30537360.

The previous prime is 33664003. The next prime is 33664039. The reversal of 33664037 is 73046633.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33664037 - 2⁸ = 33663781 is a prime.

It is a super-2 number, since 2×33664037² = 2266534774274738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33663994 and 33664012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33664039) 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, 2423 + ... + 8555.

It is an arithmetic number, because the mean of its divisors is an integer number (4600500).

Almost surely, 2^33664037 is an apocalyptic number.

It is an amenable number.

33664037 is a deficient number, since it is larger than the sum of its proper divisors (3139963).

33664037 is a wasteful number, since it uses less digits than its factorization.

33664037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 33664037 is about 5802.0717851471. The cubic root of 33664037 is about 322.8905973840.

The spelling of 33664037 in words is "thirty-three million, six hundred sixty-four thousand, thirty-seven".