80718434 has 8 divisors (see below), whose sum is σ = 121525248. Its totient is φ = 40210020.

The previous prime is 80718427. The next prime is 80718457. The reversal of 80718434 is 43481708.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 80718394 and 80718403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73922 + ... + 75005.

It is an arithmetic number, because the mean of its divisors is an integer number (15190656).

Almost surely, 2^80718434 is an apocalyptic number.

80718434 is a deficient number, since it is larger than the sum of its proper divisors (40806814).

80718434 is a wasteful number, since it uses less digits than its factorization.

80718434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149200.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 80718434 is about 8984.3438269024. The cubic root of 80718434 is about 432.1729453007.

The spelling of 80718434 in words is "eighty million, seven hundred eighteen thousand, four hundred thirty-four".