726710964 has 72 divisors (see below), whose sum is σ = 1976103360. Its totient is φ = 207252864.

The previous prime is 726710953. The next prime is 726710987. The reversal of 726710964 is 469017627.

726710964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 550297 + ... + 551615.

It is an arithmetic number, because the mean of its divisors is an integer number (27445880).

Almost surely, 2^726710964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726710964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988051680).

726710964 is an abundant number, since it is smaller than the sum of its proper divisors (1249392396).

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

726710964 is a wasteful number, since it uses less digits than its factorization.

726710964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 726710964 is about 26957.5771166476. The cubic root of 726710964 is about 899.0570222137.

The spelling of 726710964 in words is "seven hundred twenty-six million, seven hundred ten thousand, nine hundred sixty-four".