82712722 has 8 divisors (see below), whose sum is σ = 124128000. Its totient is φ = 41336724.

The previous prime is 82712689. The next prime is 82712753. The reversal of 82712722 is 22721728.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822 + ... + 13417.

It is an arithmetic number, because the mean of its divisors is an integer number (15516000).

Almost surely, 2^82712722 is an apocalyptic number.

82712722 is a deficient number, since it is larger than the sum of its proper divisors (41415278).

82712722 is a wasteful number, since it uses less digits than its factorization.

82712722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19640.

The product of its digits is 6272, while the sum is 31.

The square root of 82712722 is about 9094.6534843280. The cubic root of 82712722 is about 435.7032215667.

The spelling of 82712722 in words is "eighty-two million, seven hundred twelve thousand, seven hundred twenty-two".