726636636627 has 16 divisors (see below), whose sum is σ = 1056940526208. Its totient is φ = 440379794880.

The previous prime is 726636636587. The next prime is 726636636641.

726636636627 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 726636636627 - 2⁷ = 726636636499 is a prime.

It is a super-3 number, since 3×726636636627³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (726636636127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950703 + ... + 4130535.

It is an arithmetic number, because the mean of its divisors is an integer number (66058782888).

Almost surely, 2^726636636627 is an apocalyptic number.

726636636627 is a deficient number, since it is larger than the sum of its proper divisors (330303889581).

726636636627 is a wasteful number, since it uses less digits than its factorization.

726636636627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302290.

The product of its digits is 82301184, while the sum is 60.

The spelling of 726636636627 in words is "seven hundred twenty-six billion, six hundred thirty-six million, six hundred thirty-six thousand, six hundred twenty-seven".