726003667610 has 24 divisors (see below), whose sum is σ = 1415062773180. Its totient is φ = 268062892032.

The previous prime is 726003667603. The next prime is 726003667637. The reversal of 726003667610 is 16766300627.

It can be written as a sum of positive squares in 6 ways, for example, as 34217230441 + 691786437169 = 184979^2 + 831737^2 .

It is a super-2 number, since 2×726003667610² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214792295 + ... + 214795674.

Almost surely, 2^726003667610 is an apocalyptic number.

726003667610 is a deficient number, since it is larger than the sum of its proper divisors (689059105570).

726003667610 is a wasteful number, since it uses less digits than its factorization.

726003667610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429588002 (or 429587989 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 726003667610 in words is "seven hundred twenty-six billion, three million, six hundred sixty-seven thousand, six hundred ten".