82723722 has 16 divisors (see below), whose sum is σ = 165654720. Its totient is φ = 27540032.

The previous prime is 82723699. The next prime is 82723763. The reversal of 82723722 is 22732728.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (10353420).

Almost surely, 2^82723722 is an apocalyptic number.

82723722 is an abundant number, since it is smaller than the sum of its proper divisors (82930998).

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

82723722 is a wasteful number, since it uses less digits than its factorization.

82723722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17277.

The product of its digits is 18816, while the sum is 33.

The square root of 82723722 is about 9095.2582151361. The cubic root of 82723722 is about 435.7225354960.

The spelling of 82723722 in words is "eighty-two million, seven hundred twenty-three thousand, seven hundred twenty-two".