726418144 has 24 divisors (see below), whose sum is σ = 1431070200. Its totient is φ = 362971776.

The previous prime is 726418141. The next prime is 726418153. The reversal of 726418144 is 441814627.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726418141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48907 + ... + 62005.

It is an arithmetic number, because the mean of its divisors is an integer number (59627925).

Almost surely, 2^726418144 is an apocalyptic number.

It is an amenable number.

726418144 is a deficient number, since it is larger than the sum of its proper divisors (704652056).

726418144 is a wasteful number, since it uses less digits than its factorization.

726418144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842 (or 14834 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 726418144 is about 26952.1454433594. The cubic root of 726418144 is about 898.9362510233.

The spelling of 726418144 in words is "seven hundred twenty-six million, four hundred eighteen thousand, one hundred forty-four".