726057005607 has 24 divisors (see below), whose sum is σ = 1049720730240. Its totient is φ = 483589751040.

The previous prime is 726057005567. The next prime is 726057005623. The reversal of 726057005607 is 706500750627.

726057005607 is a `hidden beast` number, since 7 + 26 + 0 + 570 + 0 + 56 + 0 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-726057005607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726057005407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48789994 + ... + 48804872.

It is an arithmetic number, because the mean of its divisors is an integer number (43738363760).

Almost surely, 2^726057005607 is an apocalyptic number.

726057005607 is a deficient number, since it is larger than the sum of its proper divisors (323663724633).

726057005607 is a wasteful number, since it uses less digits than its factorization.

726057005607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19543 (or 19540 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 726057005607 in words is "seven hundred twenty-six billion, fifty-seven million, five thousand, six hundred seven".