831072273 has 8 divisors (see below), whose sum is σ = 1143841536. Its totient is φ = 536175600.

The previous prime is 831072269. The next prime is 831072301. The reversal of 831072273 is 372270138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 831072273 - 2² = 831072269 is a prime.

It is a super-2 number, since 2×831072273² = 1381362245898773058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (831072773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468038 + ... + 4468223.

It is an arithmetic number, because the mean of its divisors is an integer number (142980192).

Almost surely, 2^831072273 is an apocalyptic number.

It is an amenable number.

831072273 is a deficient number, since it is larger than the sum of its proper divisors (312769263).

831072273 is a wasteful number, since it uses less digits than its factorization.

831072273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936295.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 831072273 is about 28828.3241448406. The cubic root of 831072273 is about 940.1841622723.

The spelling of 831072273 in words is "eight hundred thirty-one million, seventy-two thousand, two hundred seventy-three".