72970170115327 has 2 divisors, whose sum is σ = 72970170115328. Its totient is φ = 72970170115326.

The previous prime is 72970170115247. The next prime is 72970170115331. The reversal of 72970170115327 is 72351107107927.

It is a strong prime.

It is an emirp because it is prime and its reverse (72351107107927) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72970170115327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72970170115027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36485085057663 + 36485085057664.

It is an arithmetic number, because the mean of its divisors is an integer number (36485085057664).

Almost surely, 2^{72970170115327} is an apocalyptic number.

72970170115327 is a deficient number, since it is larger than the sum of its proper divisors (1).

72970170115327 is an equidigital number, since it uses as much as digits as its factorization.

72970170115327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296540, while the sum is 52.

The spelling of 72970170115327 in words is "seventy-two trillion, nine hundred seventy billion, one hundred seventy million, one hundred fifteen thousand, three hundred twenty-seven".