73028638679 has 8 divisors (see below), whose sum is σ = 74602881360. Its totient is φ = 71461668096.

The previous prime is 73028638673. The next prime is 73028638747. The reversal of 73028638679 is 97683682037.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73028638679 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 (73028638673) 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, 1797722 + ... + 1837895.

It is an arithmetic number, because the mean of its divisors is an integer number (9325360170).

Almost surely, 2^73028638679 is an apocalyptic number.

73028638679 is a deficient number, since it is larger than the sum of its proper divisors (1574242681).

73028638679 is a wasteful number, since it uses less digits than its factorization.

73028638679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636049.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 73028638679 in words is "seventy-three billion, twenty-eight million, six hundred thirty-eight thousand, six hundred seventy-nine".