33502090 has 8 divisors (see below), whose sum is σ = 60303780. Its totient is φ = 13400832.

The previous prime is 33502081. The next prime is 33502093. The reversal of 33502090 is 9020533.

It can be written as a sum of positive squares in 2 ways, for example, as 29474041 + 4028049 = 5429^2 + 2007^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33502090² = 2244780068736200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33502093) 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, 1675095 + ... + 1675114.

Almost surely, 2^33502090 is an apocalyptic number.

33502090 is a deficient number, since it is larger than the sum of its proper divisors (26801690).

33502090 is a wasteful number, since it uses less digits than its factorization.

33502090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350216.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 33502090 is about 5788.0989970801. The cubic root of 33502090 is about 322.3719901388.

The spelling of 33502090 in words is "thirty-three million, five hundred two thousand, ninety".