80746842 has 16 divisors (see below), whose sum is σ = 176175072. Its totient is φ = 24468720.

The previous prime is 80746811. The next prime is 80746843. The reversal of 80746842 is 24864708.

It is a self number, because there is not a number n which added to its sum of digits gives 80746842.

It is not an unprimeable number, because it can be changed into a prime (80746843) 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 7 ways as a sum of consecutive naturals, for example, 611653 + ... + 611784.

It is an arithmetic number, because the mean of its divisors is an integer number (11010942).

Almost surely, 2^80746842 is an apocalyptic number.

80746842 is an abundant number, since it is smaller than the sum of its proper divisors (95428230).

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

80746842 is a wasteful number, since it uses less digits than its factorization.

80746842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223453.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 80746842 is about 8985.9246602673. The cubic root of 80746842 is about 432.2236389214.

The spelling of 80746842 in words is "eighty million, seven hundred forty-six thousand, eight hundred forty-two".