726927630 has 128 divisors (see below), whose sum is σ = 2120670720. Its totient is φ = 157032960.

The previous prime is 726927629. The next prime is 726927647. The reversal of 726927630 is 36729627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121489 + ... + 127331.

It is an arithmetic number, because the mean of its divisors is an integer number (16567740).

Almost surely, 2^726927630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726927630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060335360).

726927630 is an abundant number, since it is smaller than the sum of its proper divisors (1393743090).

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

726927630 is a wasteful number, since it uses less digits than its factorization.

726927630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 726927630 is about 26961.5954646605. The cubic root of 726927630 is about 899.1463634339.

The spelling of 726927630 in words is "seven hundred twenty-six million, nine hundred twenty-seven thousand, six hundred thirty".