72946573715563 has 2 divisors, whose sum is σ = 72946573715564. Its totient is φ = 72946573715562.

The previous prime is 72946573715507. The next prime is 72946573715621. The reversal of 72946573715563 is 36551737564927.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72946573715563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72946573715492 and 72946573715501.

It is not a weakly prime, because it can be changed into another prime (72946573715063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36473286857781 + 36473286857782.

It is an arithmetic number, because the mean of its divisors is an integer number (36473286857782).

Almost surely, 2^{72946573715563} is an apocalyptic number.

72946573715563 is a deficient number, since it is larger than the sum of its proper divisors (1).

72946573715563 is an equidigital number, since it uses as much as digits as its factorization.

72946573715563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188000, while the sum is 70.

The spelling of 72946573715563 in words is "seventy-two trillion, nine hundred forty-six billion, five hundred seventy-three million, seven hundred fifteen thousand, five hundred sixty-three".