33680968 has 8 divisors (see below), whose sum is σ = 63151830. Its totient is φ = 16840480.

The previous prime is 33680963. The next prime is 33680971. The reversal of 33680968 is 86908633.

It can be written as a sum of positive squares in only one way, i.e., 23833924 + 9847044 = 4882^2 + 3138^2 .

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

It is a super-2 number, since 2×33680968² = 2268815210834048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33680963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2105053 + ... + 2105068.

Almost surely, 2^33680968 is an apocalyptic number.

It is an amenable number.

33680968 is a deficient number, since it is larger than the sum of its proper divisors (29470862).

33680968 is a wasteful number, since it uses less digits than its factorization.

33680968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210127 (or 4210123 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 33680968 is about 5803.5306495271. The cubic root of 33680968 is about 322.9447198734.

The spelling of 33680968 in words is "thirty-three million, six hundred eighty thousand, nine hundred sixty-eight".