72703830727 has 16 divisors (see below), whose sum is σ = 79658210304. Its totient is φ = 65807532000.

The previous prime is 72703830721. The next prime is 72703830743.

72703830727 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72703830727 - 2³¹ = 70556347079 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72703830721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2533077 + ... + 2561617.

It is an arithmetic number, because the mean of its divisors is an integer number (4978638144).

Almost surely, 2^72703830727 is an apocalyptic number.

72703830727 is a deficient number, since it is larger than the sum of its proper divisors (6954379577).

72703830727 is a wasteful number, since it uses less digits than its factorization.

72703830727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29550.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 72703830727 in words is "seventy-two billion, seven hundred three million, eight hundred thirty thousand, seven hundred twenty-seven".