72570331327 has 16 divisors (see below), whose sum is σ = 78345489600. Its totient is φ = 66822912000.

The previous prime is 72570331279. The next prime is 72570331349. The reversal of 72570331327 is 72313307527.

It is a happy number.

It is not a de Polignac number, because 72570331327 - 2¹⁹ = 72569807039 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 72570331327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72570334327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12464077 + ... + 12469897.

It is an arithmetic number, because the mean of its divisors is an integer number (4896593100).

Almost surely, 2^72570331327 is an apocalyptic number.

72570331327 is a deficient number, since it is larger than the sum of its proper divisors (5775158273).

72570331327 is a wasteful number, since it uses less digits than its factorization.

72570331327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034.

The product of its (nonzero) digits is 185220, while the sum is 40.

The spelling of 72570331327 in words is "seventy-two billion, five hundred seventy million, three hundred thirty-one thousand, three hundred twenty-seven".