80718 has 16 divisors (see below), whose sum is σ = 176256. Its totient is φ = 24440.

The previous prime is 80713. The next prime is 80737. The reversal of 80718 is 81708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (11016).

2⁸⁰⁷¹⁸ is an apocalyptic number.

80718 is an abundant number, since it is smaller than the sum of its proper divisors (95538).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88128).

80718 is a wasteful number, since it uses less digits than its factorization.

80718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 80718 is about 284.1091339609. The cubic root of 80718 is about 43.2172170742.

Subtracting 80718 from its reverse (81708), we obtain a triangular number (990 = T₄₄).

The spelling of 80718 in words is "eighty thousand, seven hundred eighteen".