726117890069 has 8 divisors (see below), whose sum is σ = 853061577312. Its totient is φ = 609329697840.

The previous prime is 726117890053. The next prime is 726117890087. The reversal of 726117890069 is 960098711627.

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 726117890069 - 2⁴ = 726117890053 is a prime.

It is a super-2 number, since 2×726117890069² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726117889996 and 726117890023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726117890009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538873599 + ... + 2538873884.

It is an arithmetic number, because the mean of its divisors is an integer number (106632697164).

Almost surely, 2^726117890069 is an apocalyptic number.

It is an amenable number.

726117890069 is a deficient number, since it is larger than the sum of its proper divisors (126943687243).

726117890069 is a wasteful number, since it uses less digits than its factorization.

726117890069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077747507.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 726117890069 in words is "seven hundred twenty-six billion, one hundred seventeen million, eight hundred ninety thousand, sixty-nine".