80705262 has 32 divisors (see below), whose sum is σ = 177842304. Its totient is φ = 24212000.

The previous prime is 80705243. The next prime is 80705263. The reversal of 80705262 is 26250708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80705263) 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, 613 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (5557572).

Almost surely, 2^80705262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80705262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88921152).

80705262 is an abundant number, since it is smaller than the sum of its proper divisors (97137042).

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

80705262 is a wasteful number, since it uses less digits than its factorization.

80705262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 80705262 is about 8983.6107440160. The cubic root of 80705262 is about 432.1494360417.

The spelling of 80705262 in words is "eighty million, seven hundred five thousand, two hundred sixty-two".