80726270 has 32 divisors (see below), whose sum is σ = 147790656. Its totient is φ = 31744000.

The previous prime is 80726249. The next prime is 80726273. The reversal of 80726270 is 7262708.

It is a super-2 number, since 2×80726270² = 13033461336225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80726273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259415 + ... + 259725.

It is an arithmetic number, because the mean of its divisors is an integer number (4618458).

Almost surely, 2^80726270 is an apocalyptic number.

80726270 is a deficient number, since it is larger than the sum of its proper divisors (67064386).

80726270 is a wasteful number, since it uses less digits than its factorization.

80726270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 80726270 is about 8984.7799082671. The cubic root of 80726270 is about 432.1869297048.

Adding to 80726270 its reverse (7262708), we get a palindrome (87988978).

The spelling of 80726270 in words is "eighty million, seven hundred twenty-six thousand, two hundred seventy".