726614066 has 16 divisors (see below), whose sum is σ = 1137735960. Its totient is φ = 347690880.

The previous prime is 726614027. The next prime is 726614081. The reversal of 726614066 is 660416627.

It can be written as a sum of positive squares in 4 ways, for example, as 471541225 + 255072841 = 21715^2 + 15971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75971 + ... + 84998.

Almost surely, 2^726614066 is an apocalyptic number.

726614066 is a deficient number, since it is larger than the sum of its proper divisors (411121894).

726614066 is a wasteful number, since it uses less digits than its factorization.

726614066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161069.

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

The square root of 726614066 is about 26955.7798254846. The cubic root of 726614066 is about 899.0170610261.

The spelling of 726614066 in words is "seven hundred twenty-six million, six hundred fourteen thousand, sixty-six".