80673613 has 4 divisors (see below), whose sum is σ = 81427680. Its totient is φ = 79919548.

The previous prime is 80673611. The next prime is 80673641. The reversal of 80673613 is 31637608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80673613 - 2¹ = 80673611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80673611) 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 3 ways as a sum of consecutive naturals, for example, 376873 + ... + 377086.

It is an arithmetic number, because the mean of its divisors is an integer number (20356920).

Almost surely, 2^80673613 is an apocalyptic number.

It is an amenable number.

80673613 is a deficient number, since it is larger than the sum of its proper divisors (754067).

80673613 is a wasteful number, since it uses less digits than its factorization.

80673613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754066.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 80673613 is about 8981.8490857952. The cubic root of 80673613 is about 432.0929387518.

The spelling of 80673613 in words is "eighty million, six hundred seventy-three thousand, six hundred thirteen".