33297764 has 12 divisors (see below), whose sum is σ = 61698924. Its totient is φ = 15669504.

The previous prime is 33297763. The next prime is 33297769. The reversal of 33297764 is 46779233.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 23425600 = 3142^2 + 4840^2 .

It is a super-2 number, since 2×33297764² = 2217482174799392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33297763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244769 + ... + 244904.

It is an arithmetic number, because the mean of its divisors is an integer number (5141577).

Almost surely, 2^33297764 is an apocalyptic number.

33297764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

33297764 is a deficient number, since it is larger than the sum of its proper divisors (28401160).

33297764 is a wasteful number, since it uses less digits than its factorization.

33297764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489694 (or 489692 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 33297764 is about 5770.4214750744. The cubic root of 33297764 is about 321.7152814147.

The spelling of 33297764 in words is "thirty-three million, two hundred ninety-seven thousand, seven hundred sixty-four".