33730057 has 12 divisors (see below), whose sum is σ = 36152320. Its totient is φ = 31461696.

The previous prime is 33730043. The next prime is 33730063. The reversal of 33730057 is 75003733.

It is not a de Polignac number, because 33730057 - 2¹⁵ = 33697289 is a prime.

It is a super-2 number, since 2×33730057² = 2275433490446498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33730007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36244 + ... + 37162.

Almost surely, 2^33730057 is an apocalyptic number.

It is an amenable number.

33730057 is a deficient number, since it is larger than the sum of its proper divisors (2422263).

33730057 is a wasteful number, since it uses less digits than its factorization.

33730057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 33730057 is about 5807.7583455237. The cubic root of 33730057 is about 323.1015377911.

The spelling of 33730057 in words is "thirty-three million, seven hundred thirty thousand, fifty-seven".