726775933 has 4 divisors (see below), whose sum is σ = 782681788. Its totient is φ = 670870080.

The previous prime is 726775927. The next prime is 726775937. The reversal of 726775933 is 339577627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 475806969 + 250968964 = 21813^2 + 15842^2 .

It is a cyclic number.

It is not a de Polignac number, because 726775933 - 2⁹ = 726775421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726775937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27952908 + ... + 27952933.

It is an arithmetic number, because the mean of its divisors is an integer number (195670447).

Almost surely, 2^726775933 is an apocalyptic number.

It is an amenable number.

726775933 is a deficient number, since it is larger than the sum of its proper divisors (55905855).

726775933 is a wasteful number, since it uses less digits than its factorization.

726775933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55905854.

The product of its digits is 1666980, while the sum is 49.

The square root of 726775933 is about 26958.7821126994. The cubic root of 726775933 is about 899.0838137434.

The spelling of 726775933 in words is "seven hundred twenty-six million, seven hundred seventy-five thousand, nine hundred thirty-three".