82726392 has 64 divisors (see below), whose sum is σ = 241413120. Its totient is φ = 23131008.

The previous prime is 82726381. The next prime is 82726393. The reversal of 82726392 is 29362728.

It is a self number, because there is not a number n which added to its sum of digits gives 82726392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82726393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658 + ... + 13134.

It is an arithmetic number, because the mean of its divisors is an integer number (3772080).

Almost surely, 2^82726392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82726392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120706560).

82726392 is an abundant number, since it is smaller than the sum of its proper divisors (158686728).

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

82726392 is a wasteful number, since it uses less digits than its factorization.

82726392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10540 (or 10536 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 82726392 is about 9095.4049937317. The cubic root of 82726392 is about 435.7272232552.

The spelling of 82726392 in words is "eighty-two million, seven hundred twenty-six thousand, three hundred ninety-two".