80773732 has 24 divisors (see below), whose sum is σ = 161183736. Its totient is φ = 35086848.

The previous prime is 80773717. The next prime is 80773741. The reversal of 80773732 is 23737708.

It can be written as a sum of positive squares in 4 ways, for example, as 33108516 + 47665216 = 5754^2 + 6904^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80773691 and 80773700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44803 + ... + 46570.

It is an arithmetic number, because the mean of its divisors is an integer number (6715989).

Almost surely, 2^80773732 is an apocalyptic number.

It is an amenable number.

80773732 is a deficient number, since it is larger than the sum of its proper divisors (80410004).

80773732 is a wasteful number, since it uses less digits than its factorization.

80773732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91407 (or 91405 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 80773732 is about 8987.4207646020. The cubic root of 80773732 is about 432.2716127428.

The spelling of 80773732 in words is "eighty million, seven hundred seventy-three thousand, seven hundred thirty-two".