33790297 has 4 divisors (see below), whose sum is σ = 33807780. Its totient is φ = 33772816.

The previous prime is 33790291. The next prime is 33790331. The reversal of 33790297 is 79209733.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79209733 = 89 ⋅889997.

It can be written as a sum of positive squares in 2 ways, for example, as 27154521 + 6635776 = 5211^2 + 2576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33790297 is a prime.

It is a super-2 number, since 2×33790297² = 2283568342696418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33790291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (8451945).

Almost surely, 2^33790297 is an apocalyptic number.

It is an amenable number.

33790297 is a deficient number, since it is larger than the sum of its proper divisors (17483).

33790297 is a wasteful number, since it uses less digits than its factorization.

33790297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17482.

The product of its (nonzero) digits is 71442, while the sum is 40.

The square root of 33790297 is about 5812.9421982332. The cubic root of 33790297 is about 323.2937705044.

The spelling of 33790297 in words is "thirty-three million, seven hundred ninety thousand, two hundred ninety-seven".