80012736 has 84 divisors (see below), whose sum is σ = 236793024. Its totient is φ = 25804800.

The previous prime is 80012731. The next prime is 80012741. The reversal of 80012736 is 63721008.

It is an interprime number because it is at equal distance from previous prime (80012731) and next prime (80012741).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80012731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15616 + ... + 20096.

Almost surely, 2^80012736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80012736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118396512).

80012736 is an abundant number, since it is smaller than the sum of its proper divisors (156780288).

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

80012736 is a wasteful number, since it uses less digits than its factorization.

80012736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 80012736 is about 8944.9838457093. The cubic root of 80012736 is about 430.9098025266.

The spelling of 80012736 in words is "eighty million, twelve thousand, seven hundred thirty-six".