33090769 has 4 divisors (see below), whose sum is σ = 34231860. Its totient is φ = 31949680.

The previous prime is 33090749. The next prime is 33090803. The reversal of 33090769 is 96709033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96709033 = 47 ⋅2057639.

It can be written as a sum of positive squares in 2 ways, for example, as 6310144 + 26780625 = 2512^2 + 5175^2 .

It is a cyclic number.

It is not a de Polignac number, because 33090769 - 2⁹ = 33090257 is a prime.

It is a super-2 number, since 2×33090769² = 2189997986022722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33090719) 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, 570502 + ... + 570559.

It is an arithmetic number, because the mean of its divisors is an integer number (8557965).

Almost surely, 2^33090769 is an apocalyptic number.

It is an amenable number.

33090769 is a deficient number, since it is larger than the sum of its proper divisors (1141091).

33090769 is a wasteful number, since it uses less digits than its factorization.

33090769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141090.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 33090769 is about 5752.4576486924. The cubic root of 33090769 is about 321.0472493150.

The spelling of 33090769 in words is "thirty-three million, ninety thousand, seven hundred sixty-nine".