726099487 has 4 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 725713216.

The previous prime is 726099481. The next prime is 726099503. The reversal of 726099487 is 784990627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 726099487 - 2¹¹ = 726097439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726099481) 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 3 ways as a sum of consecutive naturals, for example, 190303 + ... + 194080.

It is an arithmetic number, because the mean of its divisors is an integer number (181621440).

Almost surely, 2^726099487 is an apocalyptic number.

726099487 is a deficient number, since it is larger than the sum of its proper divisors (386273).

726099487 is a wasteful number, since it uses less digits than its factorization.

726099487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386272.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 726099487 is about 26946.2332618123. The cubic root of 726099487 is about 898.8047866927.

The spelling of 726099487 in words is "seven hundred twenty-six million, ninety-nine thousand, four hundred eighty-seven".