33772057 has 4 divisors (see below), whose sum is σ = 36842256. Its totient is φ = 30701860.

The previous prime is 33772043. The next prime is 33772061. The reversal of 33772057 is 75027733.

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 33772057 - 2¹⁹ = 33247769 is a prime.

It is a super-2 number, since 2×33772057² = 2281103668022498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33772097) 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, 1535083 + ... + 1535104.

It is an arithmetic number, because the mean of its divisors is an integer number (9210564).

Almost surely, 2^33772057 is an apocalyptic number.

It is an amenable number.

33772057 is a deficient number, since it is larger than the sum of its proper divisors (3070199).

33772057 is a wasteful number, since it uses less digits than its factorization.

33772057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070198.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 33772057 is about 5811.3730735516. The cubic root of 33772057 is about 323.2355887160.

The spelling of 33772057 in words is "thirty-three million, seven hundred seventy-two thousand, fifty-seven".