72466074487 has 2 divisors, whose sum is σ = 72466074488. Its totient is φ = 72466074486.

The previous prime is 72466074451. The next prime is 72466074497. The reversal of 72466074487 is 78447066427.

It is a strong prime.

It is an emirp because it is prime and its reverse (78447066427) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72466074487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72466074497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233037243 + 36233037244.

It is an arithmetic number, because the mean of its divisors is an integer number (36233037244).

Almost surely, 2^72466074487 is an apocalyptic number.

72466074487 is a deficient number, since it is larger than the sum of its proper divisors (1).

72466074487 is an equidigital number, since it uses as much as digits as its factorization.

72466074487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 72466074487 in words is "seventy-two billion, four hundred sixty-six million, seventy-four thousand, four hundred eighty-seven".