33490075 has 24 divisors (see below), whose sum is σ = 43489280. Its totient is φ = 25552800.

The previous prime is 33490073. The next prime is 33490091. The reversal of 33490075 is 57009433.

It is not a de Polignac number, because 33490075 - 2¹ = 33490073 is a prime.

It is a super-2 number, since 2×33490075² = 2243170247011250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (33490073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60952 + ... + 61498.

Almost surely, 2^33490075 is an apocalyptic number.

33490075 is a deficient number, since it is larger than the sum of its proper divisors (9999205).

33490075 is a wasteful number, since it uses less digits than its factorization.

33490075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 33490075 is about 5787.0609984689. The cubic root of 33490075 is about 322.3334476421. Note that the first 3 decimals are identical.

It can be divided in two parts, 334 and 90075, that added together give a palindrome (90409).

The spelling of 33490075 in words is "thirty-three million, four hundred ninety thousand, seventy-five".