82473117 has 8 divisors (see below), whose sum is σ = 110623296. Its totient is φ = 54652512.

The previous prime is 82473107. The next prime is 82473119. The reversal of 82473117 is 71137428.

It is a happy number.

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

It is not a de Polignac number, because 82473117 - 2¹⁴ = 82456733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82473119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81808 + ... + 82809.

It is an arithmetic number, because the mean of its divisors is an integer number (13827912).

Almost surely, 2^82473117 is an apocalyptic number.

It is an amenable number.

82473117 is a deficient number, since it is larger than the sum of its proper divisors (28150179).

82473117 is a wasteful number, since it uses less digits than its factorization.

82473117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164787.

The product of its digits is 9408, while the sum is 33.

The square root of 82473117 is about 9081.4710812731. The cubic root of 82473117 is about 435.2820947355.

The spelling of 82473117 in words is "eighty-two million, four hundred seventy-three thousand, one hundred seventeen".