726738799 has 4 divisors (see below), whose sum is σ = 726851440. Its totient is φ = 726626160.

The previous prime is 726738791. The next prime is 726738823. The reversal of 726738799 is 997837627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997837627 = 17 ⋅58696331.

It is a cyclic number.

It is not a de Polignac number, because 726738799 - 2³ = 726738791 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 (726738791) 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, 46014 + ... + 59755.

It is an arithmetic number, because the mean of its divisors is an integer number (181712860).

Almost surely, 2^726738799 is an apocalyptic number.

726738799 is a deficient number, since it is larger than the sum of its proper divisors (112641).

726738799 is a wasteful number, since it uses less digits than its factorization.

726738799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112640.

The product of its digits is 8001504, while the sum is 58.

The square root of 726738799 is about 26958.0933858461. The cubic root of 726738799 is about 899.0685008409.

The spelling of 726738799 in words is "seven hundred twenty-six million, seven hundred thirty-eight thousand, seven hundred ninety-nine".