72560766501 has 12 divisors (see below), whose sum is σ = 105737519628. Its totient is φ = 47945756544.

The previous prime is 72560766463. The next prime is 72560766503. The reversal of 72560766501 is 10566706527.

72560766501 is a `hidden beast` number, since 7 + 25 + 60 + 7 + 66 + 501 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8920613601 + 63640152900 = 94449^2 + 252270^2 .

It is not a de Polignac number, because 72560766501 - 2¹¹ = 72560764453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72560766503) 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 11 ways as a sum of consecutive naturals, for example, 35672910 + ... + 35674943.

It is an arithmetic number, because the mean of its divisors is an integer number (8811459969).

Almost surely, 2^72560766501 is an apocalyptic number.

It is an amenable number.

72560766501 is a deficient number, since it is larger than the sum of its proper divisors (33176753127).

72560766501 is a wasteful number, since it uses less digits than its factorization.

72560766501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71347972 (or 71347969 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 72560766501 in words is "seventy-two billion, five hundred sixty million, seven hundred sixty-six thousand, five hundred one".