726906928 has 20 divisors (see below), whose sum is σ = 1536417288. Its totient is φ = 330412160.

The previous prime is 726906911. The next prime is 726906931. The reversal of 726906928 is 829609627.

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, 2064901 + ... + 2065252.

Almost surely, 2^726906928 is an apocalyptic number.

It is an amenable number.

726906928 is an abundant number, since it is smaller than the sum of its proper divisors (809510360).

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

726906928 is a wasteful number, since it uses less digits than its factorization.

726906928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4130172 (or 4130166 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 726906928 is about 26961.2115454777. The cubic root of 726906928 is about 899.1378278274.

The spelling of 726906928 in words is "seven hundred twenty-six million, nine hundred six thousand, nine hundred twenty-eight".