33069481 has 4 divisors (see below), whose sum is σ = 34810000. Its totient is φ = 31328964.

The previous prime is 33069461. The next prime is 33069499. The reversal of 33069481 is 18496033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33069481 - 2⁷ = 33069353 is a prime.

It is a super-2 number, since 2×33069481² = 2187181147218722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33069461) 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, 870231 + ... + 870268.

It is an arithmetic number, because the mean of its divisors is an integer number (8702500).

Almost surely, 2^33069481 is an apocalyptic number.

It is an amenable number.

33069481 is a deficient number, since it is larger than the sum of its proper divisors (1740519).

33069481 is a wasteful number, since it uses less digits than its factorization.

33069481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740518.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 33069481 is about 5750.6070114380. The cubic root of 33069481 is about 320.9783890240.

The spelling of 33069481 in words is "thirty-three million, sixty-nine thousand, four hundred eighty-one".