33728485 has 16 divisors (see below), whose sum is σ = 46354176. Its totient is φ = 23079168.

The previous prime is 33728447. The next prime is 33728501. The reversal of 33728485 is 58482733.

It is not a de Polignac number, because 33728485 - 2⁹ = 33727973 is a prime.

It is a super-2 number, since 2×33728485² = 2275221400790450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25357 + ... + 26653.

It is an arithmetic number, because the mean of its divisors is an integer number (2897136).

Almost surely, 2^33728485 is an apocalyptic number.

33728485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33728485 is a deficient number, since it is larger than the sum of its proper divisors (12625691).

33728485 is a wasteful number, since it uses less digits than its factorization.

33728485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its digits is 161280, while the sum is 40.

The square root of 33728485 is about 5807.6230077373. The cubic root of 33728485 is about 323.0965182966.

The spelling of 33728485 in words is "thirty-three million, seven hundred twenty-eight thousand, four hundred eighty-five".