72514252673 has 2 divisors, whose sum is σ = 72514252674. Its totient is φ = 72514252672.

The previous prime is 72514252663. The next prime is 72514252711. The reversal of 72514252673 is 37625241527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72087954064 + 426298609 = 268492^2 + 20647^2 .

It is an emirp because it is prime and its reverse (37625241527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72514252673 - 2¹⁸ = 72513990529 is a prime.

It is not a weakly prime, because it can be changed into another prime (72514252663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257126336 + 36257126337.

It is an arithmetic number, because the mean of its divisors is an integer number (36257126337).

Almost surely, 2^72514252673 is an apocalyptic number.

It is an amenable number.

72514252673 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514252673 is an equidigital number, since it uses as much as digits as its factorization.

72514252673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 44.

The spelling of 72514252673 in words is "seventy-two billion, five hundred fourteen million, two hundred fifty-two thousand, six hundred seventy-three".