726313628 has 6 divisors (see below), whose sum is σ = 1271048856. Its totient is φ = 363156812.

The previous prime is 726313571. The next prime is 726313657. The reversal of 726313628 is 826313627.

726313628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 726313591 and 726313600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90789200 + ... + 90789207.

It is an arithmetic number, because the mean of its divisors is an integer number (211841476).

Almost surely, 2^726313628 is an apocalyptic number.

It is an amenable number.

726313628 is a deficient number, since it is larger than the sum of its proper divisors (544735228).

726313628 is a wasteful number, since it uses less digits than its factorization.

726313628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181578411 (or 181578409 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 726313628 is about 26950.2064556099. The cubic root of 726313628 is about 898.8931364029.

Subtracting 726313628 from its reverse (826313627), we obtain a palindrome (99999999).

The spelling of 726313628 in words is "seven hundred twenty-six million, three hundred thirteen thousand, six hundred twenty-eight".