80671342 has 4 divisors (see below), whose sum is σ = 121007016. Its totient is φ = 40335670.

The previous prime is 80671319. The next prime is 80671363. The reversal of 80671342 is 24317608.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20167834 + ... + 20167837.

It is an arithmetic number, because the mean of its divisors is an integer number (30251754).

Almost surely, 2^80671342 is an apocalyptic number.

80671342 is a deficient number, since it is larger than the sum of its proper divisors (40335674).

80671342 is a wasteful number, since it uses less digits than its factorization.

80671342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40335673.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 80671342 is about 8981.7226632757. The cubic root of 80671342 is about 432.0888841742.

It can be divided in two parts, 8067 and 1342, that added together give a square (9409 = 97²).

The spelling of 80671342 in words is "eighty million, six hundred seventy-one thousand, three hundred forty-two".