33272997 has 4 divisors (see below), whose sum is σ = 44364000. Its totient is φ = 22181996.

The previous prime is 33272989. The next prime is 33273011. The reversal of 33272997 is 79927233.

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 33272997 - 2³ = 33272989 is a prime.

It is a super-2 number, since 2×33272997² = 2214184658724018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33272977) 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, 5545497 + ... + 5545502.

It is an arithmetic number, because the mean of its divisors is an integer number (11091000).

Almost surely, 2^33272997 is an apocalyptic number.

It is an amenable number.

33272997 is a deficient number, since it is larger than the sum of its proper divisors (11091003).

33272997 is a wasteful number, since it uses less digits than its factorization.

33272997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091002.

The product of its digits is 142884, while the sum is 42.

The square root of 33272997 is about 5768.2750454534. The cubic root of 33272997 is about 321.6354972915.

The spelling of 33272997 in words is "thirty-three million, two hundred seventy-two thousand, nine hundred ninety-seven".