33003668 has 12 divisors (see below), whose sum is σ = 58352532. Its totient is φ = 16331520.

The previous prime is 33003637. The next prime is 33003671. The reversal of 33003668 is 86630033.

It can be written as a sum of positive squares in 2 ways, for example, as 24720784 + 8282884 = 4972^2 + 2878^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33003668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42143 + ... + 42918.

It is an arithmetic number, because the mean of its divisors is an integer number (4862711).

Almost surely, 2^33003668 is an apocalyptic number.

It is an amenable number.

33003668 is a deficient number, since it is larger than the sum of its proper divisors (25348864).

33003668 is a wasteful number, since it uses less digits than its factorization.

33003668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85162 (or 85160 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 33003668 is about 5744.8818960880. The cubic root of 33003668 is about 320.7653166360.

The spelling of 33003668 in words is "thirty-three million, three thousand, six hundred sixty-eight".