80573939 has 8 divisors (see below), whose sum is σ = 82307232. Its totient is φ = 78848640.

The previous prime is 80573891. The next prime is 80573957. The reversal of 80573939 is 93937508.

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

It is a cyclic number.

It is not a de Polignac number, because 80573939 - 2¹⁶ = 80508403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80573939.

It is not an unprimeable number, because it can be changed into a prime (80573039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21194 + ... + 24704.

It is an arithmetic number, because the mean of its divisors is an integer number (10288404).

Almost surely, 2^80573939 is an apocalyptic number.

80573939 is a deficient number, since it is larger than the sum of its proper divisors (1733293).

80573939 is a wasteful number, since it uses less digits than its factorization.

80573939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 80573939 is about 8976.2987361161. The cubic root of 80573939 is about 431.9149120114.

The spelling of 80573939 in words is "eighty million, five hundred seventy-three thousand, nine hundred thirty-nine".