80405673 has 8 divisors (see below), whose sum is σ = 109488768. Its totient is φ = 52463184.

The previous prime is 80405671. The next prime is 80405687. The reversal of 80405673 is 37650408.

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

It is not a de Polignac number, because 80405673 - 2¹ = 80405671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80405671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284986 + ... + 285267.

It is an arithmetic number, because the mean of its divisors is an integer number (13686096).

Almost surely, 2^80405673 is an apocalyptic number.

It is an amenable number.

80405673 is a deficient number, since it is larger than the sum of its proper divisors (29083095).

80405673 is a wasteful number, since it uses less digits than its factorization.

80405673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570303.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 80405673 is about 8966.9210434798. The cubic root of 80405673 is about 431.6140403504.

The spelling of 80405673 in words is "eighty million, four hundred five thousand, six hundred seventy-three".