726404343066747 has 12 divisors (see below), whose sum is σ = 1066451549202624. Its totient is φ = 476330716764720.

The previous prime is 726404343066719. The next prime is 726404343066821. The reversal of 726404343066747 is 747660343404627.

726404343066747 is a `hidden beast` number, since 7 + 2 + 6 + 40 + 434 + 30 + 66 + 74 + 7 = 666.

It is not a de Polignac number, because 726404343066747 - 2⁸ = 726404343066491 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (726404343066047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 661570439403 + ... + 661570440500.

It is an arithmetic number, because the mean of its divisors is an integer number (88870962433552).

Almost surely, 2^{726404343066747} is an apocalyptic number.

726404343066747 is a deficient number, since it is larger than the sum of its proper divisors (340047206135877).

726404343066747 is a wasteful number, since it uses less digits than its factorization.

726404343066747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323140879970 (or 1323140879967 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 63.

The spelling of 726404343066747 in words is "seven hundred twenty-six trillion, four hundred four billion, three hundred forty-three million, sixty-six thousand, seven hundred forty-seven".