72514242739 has 2 divisors, whose sum is σ = 72514242740. Its totient is φ = 72514242738.

The previous prime is 72514242737. The next prime is 72514242803. The reversal of 72514242739 is 93724241527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72514242739 - 2¹ = 72514242737 is a prime.

It is a super-2 number, since 2×72514242739² (a number of 23 digits) contains 22 as substring.

Together with 72514242737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72514242737) 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 as a sum of consecutive naturals, namely, 36257121369 + 36257121370.

It is an arithmetic number, because the mean of its divisors is an integer number (36257121370).

Almost surely, 2^72514242739 is an apocalyptic number.

72514242739 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514242739 is an equidigital number, since it uses as much as digits as its factorization.

72514242739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 46.

The spelling of 72514242739 in words is "seventy-two billion, five hundred fourteen million, two hundred forty-two thousand, seven hundred thirty-nine".