726346747663 has 8 divisors (see below), whose sum is σ = 731243520000. Its totient is φ = 721450268448.

The previous prime is 726346747589. The next prime is 726346747673. The reversal of 726346747663 is 366747643627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726346747663 - 2¹³ = 726346739471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726346747673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7581045 + ... + 7676257.

It is an arithmetic number, because the mean of its divisors is an integer number (91405440000).

Almost surely, 2^726346747663 is an apocalyptic number.

726346747663 is a deficient number, since it is larger than the sum of its proper divisors (4896772337).

726346747663 is a wasteful number, since it uses less digits than its factorization.

726346747663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146561.

The product of its digits is 128024064, while the sum is 61.

The spelling of 726346747663 in words is "seven hundred twenty-six billion, three hundred forty-six million, seven hundred forty-seven thousand, six hundred sixty-three".