726993860355 has 72 divisors (see below), whose sum is σ = 1466192988000. Its totient is φ = 332263878912.

The previous prime is 726993860297. The next prime is 726993860377. The reversal of 726993860355 is 553068399627.

It is not a de Polignac number, because 726993860355 - 2⁹ = 726993859843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 726993860292 and 726993860301.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 10215586 + ... + 10286504.

It is an arithmetic number, because the mean of its divisors is an integer number (20363791500).

Almost surely, 2^726993860355 is an apocalyptic number.

726993860355 is an abundant number, since it is smaller than the sum of its proper divisors (739199127645).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726993860355 is a wasteful number, since it uses less digits than its factorization.

726993860355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75593 (or 75583 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 726993860355 in words is "seven hundred twenty-six billion, nine hundred ninety-three million, eight hundred sixty thousand, three hundred fifty-five".