82418473 has 4 divisors (see below), whose sum is σ = 82515280. Its totient is φ = 82321668.

The previous prime is 82418467. The next prime is 82418489. The reversal of 82418473 is 37481428.

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 a cyclic number.

It is not a de Polignac number, because 82418473 - 2⁹ = 82417961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82418423) 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, 47115 + ... + 48832.

It is an arithmetic number, because the mean of its divisors is an integer number (20628820).

Almost surely, 2^82418473 is an apocalyptic number.

It is an amenable number.

82418473 is a deficient number, since it is larger than the sum of its proper divisors (96807).

82418473 is an equidigital number, since it uses as much as digits as its factorization.

82418473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96806.

The product of its digits is 43008, while the sum is 37.

The square root of 82418473 is about 9078.4620393545. The cubic root of 82418473 is about 435.1859389183.

The spelling of 82418473 in words is "eighty-two million, four hundred eighteen thousand, four hundred seventy-three".