80719490 has 16 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 32262000.

The previous prime is 80719481. The next prime is 80719511. The reversal of 80719490 is 9491708.

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, 14615 + ... + 19365.

It is an arithmetic number, because the mean of its divisors is an integer number (9088200).

Almost surely, 2^80719490 is an apocalyptic number.

80719490 is a deficient number, since it is larger than the sum of its proper divisors (64691710).

80719490 is a wasteful number, since it uses less digits than its factorization.

80719490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 80719490 is about 8984.4025956098. The cubic root of 80719490 is about 432.1748299286.

The spelling of 80719490 in words is "eighty million, seven hundred nineteen thousand, four hundred ninety".