82140373 has 4 divisors (see below), whose sum is σ = 93874720. Its totient is φ = 70406028.

The previous prime is 82140361. The next prime is 82140389. The reversal of 82140373 is 37304128.

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 82140373 - 2²¹ = 80043221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82140353) 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, 5867163 + ... + 5867176.

It is an arithmetic number, because the mean of its divisors is an integer number (23468680).

Almost surely, 2^82140373 is an apocalyptic number.

It is an amenable number.

82140373 is a deficient number, since it is larger than the sum of its proper divisors (11734347).

82140373 is a wasteful number, since it uses less digits than its factorization.

82140373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734346.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 82140373 is about 9063.1326261950. The cubic root of 82140373 is about 434.6959129011.

The spelling of 82140373 in words is "eighty-two million, one hundred forty thousand, three hundred seventy-three".