726628956 has 24 divisors (see below), whose sum is σ = 1696035600. Its totient is φ = 242128512.

The previous prime is 726628939. The next prime is 726628997. The reversal of 726628956 is 659826627.

It is a junction number, because it is equal to n+sod(n) for n = 726628899 and 726628908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35320 + ... + 51968.

It is an arithmetic number, because the mean of its divisors is an integer number (70668150).

Almost surely, 2^726628956 is an apocalyptic number.

It is an amenable number.

726628956 is an abundant number, since it is smaller than the sum of its proper divisors (969406644).

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

726628956 is a wasteful number, since it uses less digits than its factorization.

726628956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20293 (or 20291 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 726628956 is about 26956.0560171550. The cubic root of 726628956 is about 899.0232019626.

It can be divided in two parts, 72662 and 8956, that added together give a palindrome (81618).

The spelling of 726628956 in words is "seven hundred twenty-six million, six hundred twenty-eight thousand, nine hundred fifty-six".