82709622 has 48 divisors (see below), whose sum is σ = 191880000. Its totient is φ = 25669872.

The previous prime is 82709617. The next prime is 82709647. The reversal of 82709622 is 22690728.

82709622 is a `hidden beast` number, since 8 + 27 + 0 + 9 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18129 + ... + 22227.

It is an arithmetic number, because the mean of its divisors is an integer number (3997500).

Almost surely, 2^82709622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82709622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95940000).

82709622 is an abundant number, since it is smaller than the sum of its proper divisors (109170378).

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

82709622 is a wasteful number, since it uses less digits than its factorization.

82709622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 82709622 is about 9094.4830529283. The cubic root of 82709622 is about 435.6977782410.

The spelling of 82709622 in words is "eighty-two million, seven hundred nine thousand, six hundred twenty-two".