82374239 has 8 divisors (see below), whose sum is σ = 85322160. Its totient is φ = 79433536.

The previous prime is 82374233. The next prime is 82374301. The reversal of 82374239 is 93247328.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82374239 - 2¹² = 82370143 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 (82374233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33227 + ... + 35619.

It is an arithmetic number, because the mean of its divisors is an integer number (10665270).

Almost surely, 2^82374239 is an apocalyptic number.

82374239 is a deficient number, since it is larger than the sum of its proper divisors (2947921).

82374239 is a wasteful number, since it uses less digits than its factorization.

82374239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609.

The product of its digits is 72576, while the sum is 38.

The square root of 82374239 is about 9076.0255067954. The cubic root of 82374239 is about 435.1080702117.

The spelling of 82374239 in words is "eighty-two million, three hundred seventy-four thousand, two hundred thirty-nine".