80081742 has 32 divisors (see below), whose sum is σ = 178053120. Its totient is φ = 23844960.

The previous prime is 80081717. The next prime is 80081761. The reversal of 80081742 is 24718008.

It is a Smith number, since the sum of its digits (30) 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 in 15 ways as a sum of consecutive naturals, for example, 14142 + ... + 18977.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^80081742 is an apocalyptic number.

80081742 is an abundant number, since it is smaller than the sum of its proper divisors (97971378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80081742 is a wasteful number, since it uses less digits than its factorization.

80081742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33168.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 80081742 is about 8948.8402600560. The cubic root of 80081742 is about 431.0336445511.

The spelling of 80081742 in words is "eighty million, eighty-one thousand, seven hundred forty-two".