726726726 has 36 divisors (see below), whose sum is σ = 1730735916. Its totient is φ = 220219560.

The previous prime is 726726713. The next prime is 726726743. The reversal of 726726726 is 627627627.

726726726 is a modest number, since divided by 726726 gives 726 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 164656 + ... + 169011.

Almost surely, 2^726726726 is an apocalyptic number.

726726726 is an abundant number, since it is smaller than the sum of its proper divisors (1004009190).

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

726726726 is a wasteful number, since it uses less digits than its factorization.

726726726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333697 (or 333683 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 726726726 is about 26957.8694632940. The cubic root of 726726726 is about 899.0635222002.

Subtracting from 726726726 its reverse (627627627), we obtain a palindrome (99099099).

The spelling of 726726726 in words is "seven hundred twenty-six million, seven hundred twenty-six thousand, seven hundred twenty-six".