33664705 has 8 divisors (see below), whose sum is σ = 40610304. Its totient is φ = 26790000.

The previous prime is 33664693. The next prime is 33664727. The reversal of 33664705 is 50746633.

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

It is not a de Polignac number, because 33664705 - 2²¹ = 31567553 is a prime.

It is a super-2 number, since 2×33664705² = 2266624725474050, which contains 22 as substring.

It is a Duffinian number.

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, 16671 + ... + 18580.

It is an arithmetic number, because the mean of its divisors is an integer number (5076288).

Almost surely, 2^33664705 is an apocalyptic number.

It is an amenable number.

33664705 is a deficient number, since it is larger than the sum of its proper divisors (6945599).

33664705 is a wasteful number, since it uses less digits than its factorization.

33664705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35447.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 33664705 is about 5802.1293505057. The cubic root of 33664705 is about 322.8927330903.

The spelling of 33664705 in words is "thirty-three million, six hundred sixty-four thousand, seven hundred five".