72405964759 has 2 divisors, whose sum is σ = 72405964760. Its totient is φ = 72405964758.

The previous prime is 72405964723. The next prime is 72405964801. The reversal of 72405964759 is 95746950427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72405964759 - 2¹¹ = 72405962711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72405964259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36202982379 + 36202982380.

It is an arithmetic number, because the mean of its divisors is an integer number (36202982380).

Almost surely, 2^72405964759 is an apocalyptic number.

72405964759 is a deficient number, since it is larger than the sum of its proper divisors (1).

72405964759 is an equidigital number, since it uses as much as digits as its factorization.

72405964759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 72405964759 in words is "seventy-two billion, four hundred five million, nine hundred sixty-four thousand, seven hundred fifty-nine".