72514252739 has 2 divisors, whose sum is σ = 72514252740.
Its totient is φ = 72514252738.
The previous prime is 72514252721. The next prime is 72514252801. The reversal of 72514252739 is 93725241527.
It is a weak prime.
It is an emirp because it is prime and its reverse (93725241527) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 72514252739 - 216 = 72514187203 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 72514252693 and 72514252702.
It is not a weakly prime, because it can be changed into another prime (72514242739) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257126369 + 36257126370.
It is an arithmetic number, because the mean of its divisors is an integer number (36257126370).
Almost surely, 272514252739 is an apocalyptic number.
72514252739 is a deficient number, since it is larger than the sum of its proper divisors (1).
72514252739 is an equidigital number, since it uses as much as digits as its factorization.
72514252739 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1058400, while the sum is 47.
The spelling of 72514252739 in words is "seventy-two billion, five hundred fourteen million, two hundred fifty-two thousand, seven hundred thirty-nine".