82273969 has 4 divisors (see below), whose sum is σ = 84928000. Its totient is φ = 79619940.

The previous prime is 82273951. The next prime is 82273973. The reversal of 82273969 is 96937228.

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 82273969 - 2⁵ = 82273937 is a prime.

It is a super-2 number, since 2×82273969² = 13538011950025922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82273909) 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, 1326969 + ... + 1327030.

It is an arithmetic number, because the mean of its divisors is an integer number (21232000).

Almost surely, 2^82273969 is an apocalyptic number.

It is an amenable number.

82273969 is a deficient number, since it is larger than the sum of its proper divisors (2654031).

82273969 is a wasteful number, since it uses less digits than its factorization.

82273969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654030.

The product of its digits is 326592, while the sum is 46.

The square root of 82273969 is about 9070.4999310953. The cubic root of 82273969 is about 434.9314535053.

The spelling of 82273969 in words is "eighty-two million, two hundred seventy-three thousand, nine hundred sixty-nine".