633632273 has 4 divisors (see below), whose sum is σ = 666981360. Its totient is φ = 600283188.

The previous prime is 633632269. The next prime is 633632299. The reversal of 633632273 is 372236336.

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 not a de Polignac number, because 633632273 - 2² = 633632269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633635273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16674515 + ... + 16674552.

It is an arithmetic number, because the mean of its divisors is an integer number (166745340).

Almost surely, 2^633632273 is an apocalyptic number.

It is an amenable number.

633632273 is a deficient number, since it is larger than the sum of its proper divisors (33349087).

633632273 is a wasteful number, since it uses less digits than its factorization.

633632273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33349086.

The product of its digits is 81648, while the sum is 35.

The square root of 633632273 is about 25172.0534124652. The cubic root of 633632273 is about 858.9062501729.

The spelling of 633632273 in words is "six hundred thirty-three million, six hundred thirty-two thousand, two hundred seventy-three".