740728472647 has 2 divisors, whose sum is σ = 740728472648. Its totient is φ = 740728472646.

The previous prime is 740728472639. The next prime is 740728472669. The reversal of 740728472647 is 746274827047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740728472647 - 2³ = 740728472639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740728472591 and 740728472600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740725472647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370364236323 + 370364236324.

It is an arithmetic number, because the mean of its divisors is an integer number (370364236324).

Almost surely, 2^740728472647 is an apocalyptic number.

740728472647 is a deficient number, since it is larger than the sum of its proper divisors (1).

740728472647 is an equidigital number, since it uses as much as digits as its factorization.

740728472647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29503488, while the sum is 58.

The spelling of 740728472647 in words is "seven hundred forty billion, seven hundred twenty-eight million, four hundred seventy-two thousand, six hundred forty-seven".