726443147 has 4 divisors (see below), whose sum is σ = 726564360. Its totient is φ = 726321936.

The previous prime is 726443143. The next prime is 726443149. The reversal of 726443147 is 741344627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741344627 = 617 ⋅1201531.

It is a cyclic number.

It is not a de Polignac number, because 726443147 - 2² = 726443143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 726443147.

It is not an unprimeable number, because it can be changed into a prime (726443143) 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, 51122 + ... + 63767.

It is an arithmetic number, because the mean of its divisors is an integer number (181641090).

Almost surely, 2^726443147 is an apocalyptic number.

726443147 is a deficient number, since it is larger than the sum of its proper divisors (121213).

726443147 is a wasteful number, since it uses less digits than its factorization.

726443147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121212.

The product of its digits is 112896, while the sum is 38.

The square root of 726443147 is about 26952.6092799937. The cubic root of 726443147 is about 898.9465645713.

The spelling of 726443147 in words is "seven hundred twenty-six million, four hundred forty-three thousand, one hundred forty-seven".