80749774 has 8 divisors (see below), whose sum is σ = 138428208. Its totient is φ = 34607040.

The previous prime is 80749769. The next prime is 80749777. The reversal of 80749774 is 47794708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80749777) 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, 2883907 + ... + 2883934.

It is an arithmetic number, because the mean of its divisors is an integer number (17303526).

Almost surely, 2^80749774 is an apocalyptic number.

80749774 is a deficient number, since it is larger than the sum of its proper divisors (57678434).

80749774 is a wasteful number, since it uses less digits than its factorization.

80749774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767850.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 80749774 is about 8986.0878028205. The cubic root of 80749774 is about 432.2288703515.

The spelling of 80749774 in words is "eighty million, seven hundred forty-nine thousand, seven hundred seventy-four".