82174273 has 4 divisors (see below), whose sum is σ = 84825088. Its totient is φ = 79523460.

The previous prime is 82174249. The next prime is 82174303. The reversal of 82174273 is 37247128.

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 82174273 - 2⁹ = 82173761 is a prime.

It is a super-2 number, since 2×82174273² = 13505222286157058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82174973) 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, 1325361 + ... + 1325422.

It is an arithmetic number, because the mean of its divisors is an integer number (21206272).

Almost surely, 2^82174273 is an apocalyptic number.

It is an amenable number.

82174273 is a deficient number, since it is larger than the sum of its proper divisors (2650815).

82174273 is a wasteful number, since it uses less digits than its factorization.

82174273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650814.

The product of its digits is 18816, while the sum is 34.

The square root of 82174273 is about 9065.0026475451. The cubic root of 82174273 is about 434.7557055224.

The spelling of 82174273 in words is "eighty-two million, one hundred seventy-four thousand, two hundred seventy-three".