726328856 has 16 divisors (see below), whose sum is σ = 1485672840. Its totient is φ = 330149440.

The previous prime is 726328849. The next prime is 726328871. The reversal of 726328856 is 658823627.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 726328856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126781 + ... + 4126956.

Almost surely, 2^726328856 is an apocalyptic number.

It is an amenable number.

726328856 is an abundant number, since it is smaller than the sum of its proper divisors (759343984).

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

726328856 is a wasteful number, since it uses less digits than its factorization.

726328856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253754 (or 8253750 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 726328856 is about 26950.4889751559. The cubic root of 726328856 is about 898.8994184683.

The spelling of 726328856 in words is "seven hundred twenty-six million, three hundred twenty-eight thousand, eight hundred fifty-six".