80726382 has 80 divisors (see below), whose sum is σ = 199940400. Its totient is φ = 24140160.

The previous prime is 80726333. The next prime is 80726411. The reversal of 80726382 is 28362708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 158344 + ... + 158852.

It is an arithmetic number, because the mean of its divisors is an integer number (2499255).

Almost surely, 2^80726382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80726382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99970200).

80726382 is an abundant number, since it is smaller than the sum of its proper divisors (119214018).

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

80726382 is a wasteful number, since it uses less digits than its factorization.

80726382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 80726382 is about 8984.7861410275. The cubic root of 80726382 is about 432.1871295775.

The spelling of 80726382 in words is "eighty million, seven hundred twenty-six thousand, three hundred eighty-two".