726705255756 has 48 divisors (see below), whose sum is σ = 1755186384896. Its totient is φ = 233832360384.

The previous prime is 726705255751. The next prime is 726705255823. The reversal of 726705255756 is 657552507627.

It is a super-2 number, since 2×726705255756² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726705255696 and 726705255705.

It is not an unprimeable number, because it can be changed into a prime (726705255751) 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, 6387406 + ... + 6500181.

Almost surely, 2^726705255756 is an apocalyptic number.

It is an amenable number.

726705255756 is an abundant number, since it is smaller than the sum of its proper divisors (1028481129140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726705255756 is a wasteful number, since it uses less digits than its factorization.

726705255756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887758 (or 12887756 counting only the distinct ones).

The product of its (nonzero) digits is 30870000, while the sum is 57.

The spelling of 726705255756 in words is "seven hundred twenty-six billion, seven hundred five million, two hundred fifty-five thousand, seven hundred fifty-six".