80726012 has 6 divisors (see below), whose sum is σ = 141270528. Its totient is φ = 40363004.

The previous prime is 80726011. The next prime is 80726029. The reversal of 80726012 is 21062708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80726011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10090748 + ... + 10090755.

It is an arithmetic number, because the mean of its divisors is an integer number (23545088).

Almost surely, 2^80726012 is an apocalyptic number.

It is an amenable number.

80726012 is a deficient number, since it is larger than the sum of its proper divisors (60544516).

80726012 is a wasteful number, since it uses less digits than its factorization.

80726012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20181507 (or 20181505 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 80726012 is about 8984.7655506418. The cubic root of 80726012 is about 432.1864692833.

The spelling of 80726012 in words is "eighty million, seven hundred twenty-six thousand, twelve".