726373358785 has 16 divisors (see below), whose sum is σ = 892961938512. Its totient is φ = 566891136000.

The previous prime is 726373358783. The next prime is 726373358797. The reversal of 726373358785 is 587853373627.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 42125099536 + 684248259249 = 205244^2 + 827193^2 .

It is not a de Polignac number, because 726373358785 - 2¹ = 726373358783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (726373358783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586735 + ... + 3783835.

It is an arithmetic number, because the mean of its divisors is an integer number (55810121157).

Almost surely, 2^726373358785 is an apocalyptic number.

It is an amenable number.

726373358785 is a deficient number, since it is larger than the sum of its proper divisors (166588579727).

726373358785 is a wasteful number, since it uses less digits than its factorization.

726373358785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215124.

The product of its digits is 177811200, while the sum is 64.

The spelling of 726373358785 in words is "seven hundred twenty-six billion, three hundred seventy-three million, three hundred fifty-eight thousand, seven hundred eighty-five".