82672919 has 8 divisors (see below), whose sum is σ = 94702080. Its totient is φ = 70698456.

The previous prime is 82672913. The next prime is 82672927. The reversal of 82672919 is 91927628.

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 82672919 - 2²⁰ = 81624343 is a prime.

It is a super-2 number, since 2×82672919² = 13669623071961122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82672919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82672913) 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, 10379 + ... + 16524.

It is an arithmetic number, because the mean of its divisors is an integer number (11837760).

Almost surely, 2^82672919 is an apocalyptic number.

82672919 is a deficient number, since it is larger than the sum of its proper divisors (12029161).

82672919 is a wasteful number, since it uses less digits than its factorization.

82672919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27349.

The product of its digits is 108864, while the sum is 44.

The square root of 82672919 is about 9092.4649573149. The cubic root of 82672919 is about 435.6333206798.

The spelling of 82672919 in words is "eighty-two million, six hundred seventy-two thousand, nine hundred nineteen".