33097040 has 20 divisors (see below), whose sum is σ = 76950804. Its totient is φ = 13238784.

The previous prime is 33097039. The next prime is 33097061. The reversal of 33097040 is 4079033.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 26584336 = 2552^2 + 5156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 206777 + ... + 206936.

Almost surely, 2^33097040 is an apocalyptic number.

It is an amenable number.

33097040 is an abundant number, since it is smaller than the sum of its proper divisors (43853764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33097040 is a wasteful number, since it uses less digits than its factorization.

33097040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413726 (or 413720 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 33097040 is about 5753.0026942458. The cubic root of 33097040 is about 321.0675284865.

The spelling of 33097040 in words is "thirty-three million, ninety-seven thousand, forty".