82917418 has 4 divisors (see below), whose sum is σ = 124376130. Its totient is φ = 41458708.

The previous prime is 82917413. The next prime is 82917431. The reversal of 82917418 is 81471928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 36036009 = 6847^2 + 6003^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82917413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20729353 + ... + 20729356.

Almost surely, 2^82917418 is an apocalyptic number.

82917418 is a deficient number, since it is larger than the sum of its proper divisors (41458712).

82917418 is a wasteful number, since it uses less digits than its factorization.

82917418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41458711.

The product of its digits is 32256, while the sum is 40.

The square root of 82917418 is about 9105.9001751612. The cubic root of 82917418 is about 436.0623490500.

The spelling of 82917418 in words is "eighty-two million, nine hundred seventeen thousand, four hundred eighteen".