726347115 has 64 divisors (see below), whose sum is σ = 1403740800. Its totient is φ = 354212352.

The previous prime is 726347113. The next prime is 726347119. The reversal of 726347115 is 511743627.

It is a happy number.

726347115 is a `hidden beast` number, since 7 + 2 + 634 + 7 + 1 + 15 = 666.

It is not a de Polignac number, because 726347115 - 2¹ = 726347113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726347115.

It is not an unprimeable number, because it can be changed into a prime (726347113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189397 + ... + 193193.

It is an arithmetic number, because the mean of its divisors is an integer number (21933450).

Almost surely, 2^726347115 is an apocalyptic number.

726347115 is a deficient number, since it is larger than the sum of its proper divisors (677393685).

726347115 is a wasteful number, since it uses less digits than its factorization.

726347115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933 (or 3927 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 726347115 is about 26950.8277238381. The cubic root of 726347115 is about 898.9069508079.

The spelling of 726347115 in words is "seven hundred twenty-six million, three hundred forty-seven thousand, one hundred fifteen".