33880066 has 8 divisors (see below), whose sum is σ = 55440144. Its totient is φ = 15400020.

The previous prime is 33880051. The next prime is 33880069. The reversal of 33880066 is 66008833.

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

It is a super-2 number, since 2×33880066² = 2295717744328712, which contains 22 as substring.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (33880069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769980 + ... + 770023.

It is an arithmetic number, because the mean of its divisors is an integer number (6930018).

Almost surely, 2^33880066 is an apocalyptic number.

33880066 is a deficient number, since it is larger than the sum of its proper divisors (21560078).

33880066 is a wasteful number, since it uses less digits than its factorization.

33880066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540016.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 33880066 is about 5820.6585538064. The cubic root of 33880066 is about 323.5798101736.

Adding to 33880066 its reverse (66008833), we get a palindrome (99888899).

The spelling of 33880066 in words is "thirty-three million, eight hundred eighty thousand, sixty-six".