72146497127 has 2 divisors, whose sum is σ = 72146497128. Its totient is φ = 72146497126.

The previous prime is 72146497123. The next prime is 72146497133. The reversal of 72146497127 is 72179464127.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72146497127 - 2² = 72146497123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72146497123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36073248563 + 36073248564.

It is an arithmetic number, because the mean of its divisors is an integer number (36073248564).

Almost surely, 2^72146497127 is an apocalyptic number.

72146497127 is a deficient number, since it is larger than the sum of its proper divisors (1).

72146497127 is an equidigital number, since it uses as much as digits as its factorization.

72146497127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The spelling of 72146497127 in words is "seventy-two billion, one hundred forty-six million, four hundred ninety-seven thousand, one hundred twenty-seven".