82718262 has 72 divisors (see below), whose sum is σ = 199056312. Its totient is φ = 24805440.

The previous prime is 82718249. The next prime is 82718263. The reversal of 82718262 is 26281728.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82718263) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 354898 + ... + 355130.

It is an arithmetic number, because the mean of its divisors is an integer number (2764671).

Almost surely, 2^82718262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82718262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99528156).

82718262 is an abundant number, since it is smaller than the sum of its proper divisors (116338050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82718262 is a wasteful number, since it uses less digits than its factorization.

82718262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 412 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 82718262 is about 9094.9580537790. The cubic root of 82718262 is about 435.7129489779.

The spelling of 82718262 in words is "eighty-two million, seven hundred eighteen thousand, two hundred sixty-two".