33273146 has 4 divisors (see below), whose sum is σ = 49909722. Its totient is φ = 16636572.

The previous prime is 33273143. The next prime is 33273151. The reversal of 33273146 is 64137233.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64137233 = 31 ⋅2068943.

It can be written as a sum of positive squares in only one way, i.e., 20349121 + 12924025 = 4511^2 + 3595^2 .

It is a super-2 number, since 2×33273146² = 2214204489474632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33273143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8318285 + ... + 8318288.

Almost surely, 2^33273146 is an apocalyptic number.

33273146 is a deficient number, since it is larger than the sum of its proper divisors (16636576).

33273146 is a wasteful number, since it uses less digits than its factorization.

33273146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16636575.

The product of its digits is 9072, while the sum is 29.

The square root of 33273146 is about 5768.2879609118. The cubic root of 33273146 is about 321.6359773967.

The spelling of 33273146 in words is "thirty-three million, two hundred seventy-three thousand, one hundred forty-six".