726442718 has 16 divisors (see below), whose sum is σ = 1139991840. Its totient is φ = 346527456.

The previous prime is 726442697. The next prime is 726442723. The reversal of 726442718 is 817244627.

It is a happy number.

It is a congruent number.

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, 2405 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (71249490).

Almost surely, 2^726442718 is an apocalyptic number.

726442718 is a deficient number, since it is larger than the sum of its proper divisors (413549122).

726442718 is a wasteful number, since it uses less digits than its factorization.

726442718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41011.

The product of its digits is 150528, while the sum is 41.

The square root of 726442718 is about 26952.6013215793. The cubic root of 726442718 is about 898.9463876141.

The spelling of 726442718 in words is "seven hundred twenty-six million, four hundred forty-two thousand, seven hundred eighteen".