72830331775 has 12 divisors (see below), whose sum is σ = 90534834864. Its totient is φ = 58118960000.

The previous prime is 72830331731. The next prime is 72830331793. The reversal of 72830331775 is 57713303827.

It is not a de Polignac number, because 72830331775 - 2¹¹ = 72830329727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3622411 + ... + 3642460.

It is an arithmetic number, because the mean of its divisors is an integer number (7544569572).

Almost surely, 2^72830331775 is an apocalyptic number.

72830331775 is a deficient number, since it is larger than the sum of its proper divisors (17704503089).

72830331775 is a wasteful number, since it uses less digits than its factorization.

72830331775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265282 (or 7265277 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 72830331775 in words is "seventy-two billion, eight hundred thirty million, three hundred thirty-one thousand, seven hundred seventy-five".