82729338 has 16 divisors (see below), whose sum is σ = 165552960. Its totient is φ = 27560736.

The previous prime is 82729319. The next prime is 82729351. The reversal of 82729338 is 83392728.

It is a self number, because there is not a number n which added to its sum of digits gives 82729338.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13278 + ... + 18486.

It is an arithmetic number, because the mean of its divisors is an integer number (10347060).

Almost surely, 2^82729338 is an apocalyptic number.

82729338 is an abundant number, since it is smaller than the sum of its proper divisors (82823622).

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

82729338 is a wasteful number, since it uses less digits than its factorization.

82729338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861.

The product of its digits is 145152, while the sum is 42.

The square root of 82729338 is about 9095.5669421977. The cubic root of 82729338 is about 435.7323954746.

The spelling of 82729338 in words is "eighty-two million, seven hundred twenty-nine thousand, three hundred thirty-eight".