80016726 has 16 divisors (see below), whose sum is σ = 160185024. Its totient is φ = 26646984.

The previous prime is 80016721. The next prime is 80016749. The reversal of 80016726 is 62761008.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80016693 and 80016702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80016721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (10011564).

Almost surely, 2^80016726 is an apocalyptic number.

80016726 is an abundant number, since it is smaller than the sum of its proper divisors (80168298).

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

80016726 is a wasteful number, since it uses less digits than its factorization.

80016726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 80016726 is about 8945.2068729572. The cubic root of 80016726 is about 430.9169651427.

The spelling of 80016726 in words is "eighty million, sixteen thousand, seven hundred twenty-six".