80767730 has 8 divisors (see below), whose sum is σ = 145381932. Its totient is φ = 32307088.

The previous prime is 80767723. The next prime is 80767733. The reversal of 80767730 is 3776708.

It can be written as a sum of positive squares in 2 ways, for example, as 80694289 + 73441 = 8983^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80767733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4038377 + ... + 4038396.

Almost surely, 2^80767730 is an apocalyptic number.

80767730 is a deficient number, since it is larger than the sum of its proper divisors (64614202).

80767730 is a wasteful number, since it uses less digits than its factorization.

80767730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076780.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 80767730 is about 8987.0868472492. The cubic root of 80767730 is about 432.2609056378.

The spelling of 80767730 in words is "eighty million, seven hundred sixty-seven thousand, seven hundred thirty".