72764084852 has 12 divisors (see below), whose sum is σ = 127396974180. Its totient is φ = 36364949376.

The previous prime is 72764084851. The next prime is 72764084881. The reversal of 72764084852 is 25848046727.

It can be written as a sum of positive squares in 2 ways, for example, as 34896481636 + 37867603216 = 186806^2 + 194596^2 .

It is a super-2 number, since 2×72764084852² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72764084794 and 72764084803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72764084851) 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, 4263683 + ... + 4280714.

It is an arithmetic number, because the mean of its divisors is an integer number (10616414515).

Almost surely, 2^72764084852 is an apocalyptic number.

It is an amenable number.

72764084852 is a deficient number, since it is larger than the sum of its proper divisors (54632889328).

72764084852 is a wasteful number, since it uses less digits than its factorization.

72764084852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546530 (or 8546528 counting only the distinct ones).

The product of its (nonzero) digits is 6021120, while the sum is 53.

The spelling of 72764084852 in words is "seventy-two billion, seven hundred sixty-four million, eighty-four thousand, eight hundred fifty-two".