80611732 has 12 divisors (see below), whose sum is σ = 141182356. Its totient is φ = 40273920.

The previous prime is 80611717. The next prime is 80611733. The reversal of 80611732 is 23711608.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 60933636 = 4436^2 + 7806^2 .

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 80611732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80611733) 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 3 ways as a sum of consecutive naturals, for example, 1773 + ... + 12820.

Almost surely, 2^80611732 is an apocalyptic number.

It is an amenable number.

80611732 is a deficient number, since it is larger than the sum of its proper divisors (60570624).

80611732 is a wasteful number, since it uses less digits than its factorization.

80611732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15978 (or 15976 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 80611732 is about 8978.4036443011. The cubic root of 80611732 is about 431.9824309842.

The spelling of 80611732 in words is "eighty million, six hundred eleven thousand, seven hundred thirty-two".