72466074497 has 2 divisors, whose sum is σ = 72466074498. Its totient is φ = 72466074496.

The previous prime is 72466074487. The next prime is 72466074511. The reversal of 72466074497 is 79447066427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59157914176 + 13308160321 = 243224^2 + 115361^2 .

It is a cyclic number.

It is not a de Polignac number, because 72466074497 - 2⁶ = 72466074433 is a prime.

It is not a weakly prime, because it can be changed into another prime (72466074487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233037248 + 36233037249.

It is an arithmetic number, because the mean of its divisors is an integer number (36233037249).

Almost surely, 2^72466074497 is an apocalyptic number.

It is an amenable number.

72466074497 is a deficient number, since it is larger than the sum of its proper divisors (1).

72466074497 is an equidigital number, since it uses as much as digits as its factorization.

72466074497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 72466074497 in words is "seventy-two billion, four hundred sixty-six million, seventy-four thousand, four hundred ninety-seven".