72949512234997 has 2 divisors, whose sum is σ = 72949512234998. Its totient is φ = 72949512234996.

The previous prime is 72949512234953. The next prime is 72949512235111. The reversal of 72949512234997 is 79943221594927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51131280576996 + 21818231658001 = 7150614^2 + 4670999^2 .

It is a cyclic number.

It is not a de Polignac number, because 72949512234997 - 2⁷ = 72949512234869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72949512234917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36474756117498 + 36474756117499.

It is an arithmetic number, because the mean of its divisors is an integer number (36474756117499).

Almost surely, 2^{72949512234997} is an apocalyptic number.

It is an amenable number.

72949512234997 is a deficient number, since it is larger than the sum of its proper divisors (1).

72949512234997 is an equidigital number, since it uses as much as digits as its factorization.

72949512234997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617258880, while the sum is 73.

The spelling of 72949512234997 in words is "seventy-two trillion, nine hundred forty-nine billion, five hundred twelve million, two hundred thirty-four thousand, nine hundred ninety-seven".