72150740753 has 12 divisors (see below), whose sum is σ = 90386643060. Its totient is φ = 57086299872.

The previous prime is 72150740741. The next prime is 72150740759. The reversal of 72150740753 is 35704705127.

It can be written as a sum of positive squares in 2 ways, for example, as 24577459984 + 47573280769 = 156772^2 + 218113^2 .

It is not a de Polignac number, because 72150740753 - 2¹⁰ = 72150739729 is a prime.

It is a super-3 number, since 3×72150740753³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72150740753.

It is not an unprimeable number, because it can be changed into a prime (72150740759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56632598 + ... + 56633871.

It is an arithmetic number, because the mean of its divisors is an integer number (7532220255).

Almost surely, 2^72150740753 is an apocalyptic number.

It is an amenable number.

72150740753 is a deficient number, since it is larger than the sum of its proper divisors (18235902307).

72150740753 is a wasteful number, since it uses less digits than its factorization.

72150740753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113266496 (or 113266489 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 41.

The spelling of 72150740753 in words is "seventy-two billion, one hundred fifty million, seven hundred forty thousand, seven hundred fifty-three".