726267105 has 12 divisors (see below), whose sum is σ = 1258863060. Its totient is φ = 387342432.

The previous prime is 726267103. The next prime is 726267121. The reversal of 726267105 is 501762627.

It can be written as a sum of positive squares in 2 ways, for example, as 560552976 + 165714129 = 23676^2 + 12873^2 .

It is not a de Polignac number, because 726267105 - 2¹ = 726267103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 726267105.

It is not an unprimeable number, because it can be changed into a prime (726267103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8069590 + ... + 8069679.

It is an arithmetic number, because the mean of its divisors is an integer number (104905255).

Almost surely, 2^726267105 is an apocalyptic number.

It is an amenable number.

726267105 is a deficient number, since it is larger than the sum of its proper divisors (532595955).

726267105 is a wasteful number, since it uses less digits than its factorization.

726267105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16139280 (or 16139277 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 726267105 is about 26949.3433129640. The cubic root of 726267105 is about 898.8739435471.

The spelling of 726267105 in words is "seven hundred twenty-six million, two hundred sixty-seven thousand, one hundred five".