726813456 has 40 divisors (see below), whose sum is σ = 1884046080. Its totient is φ = 241439616.

The previous prime is 726813431. The next prime is 726813481. The reversal of 726813456 is 654318627.

It is an interprime number because it is at equal distance from previous prime (726813431) and next prime (726813481).

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, 11776 + ... + 39903.

It is an arithmetic number, because the mean of its divisors is an integer number (47101152).

Almost surely, 2^726813456 is an apocalyptic number.

It is an amenable number.

726813456 is an abundant number, since it is smaller than the sum of its proper divisors (1157232624).

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

726813456 is a wasteful number, since it uses less digits than its factorization.

726813456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51983 (or 51977 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 726813456 is about 26959.4780364902. The cubic root of 726813456 is about 899.0992865275.

The spelling of 726813456 in words is "seven hundred twenty-six million, eight hundred thirteen thousand, four hundred fifty-six".