80727210 has 48 divisors (see below), whose sum is σ = 211105440. Its totient is φ = 21402720.

The previous prime is 80727209. The next prime is 80727233. The reversal of 80727210 is 1272708.

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, 13605 + ... + 18615.

It is an arithmetic number, because the mean of its divisors is an integer number (4398030).

Almost surely, 2^80727210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80727210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105552720).

80727210 is an abundant number, since it is smaller than the sum of its proper divisors (130378230).

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

80727210 is a wasteful number, since it uses less digits than its factorization.

80727210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 80727210 is about 8984.8322188007. The cubic root of 80727210 is about 432.1886072015.

Adding to 80727210 its reverse (1272708), we get a palindrome (81999918).

The spelling of 80727210 in words is "eighty million, seven hundred twenty-seven thousand, two hundred ten".