726741813 has 8 divisors (see below), whose sum is σ = 1107416128. Its totient is φ = 415281024.

The previous prime is 726741797. The next prime is 726741863. The reversal of 726741813 is 318147627.

726741813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 726741813 - 2⁴ = 726741797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726741863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17303356 + ... + 17303397.

It is an arithmetic number, because the mean of its divisors is an integer number (138427016).

Almost surely, 2^726741813 is an apocalyptic number.

It is an amenable number.

726741813 is a deficient number, since it is larger than the sum of its proper divisors (380674315).

726741813 is a wasteful number, since it uses less digits than its factorization.

726741813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34606763.

The product of its digits is 56448, while the sum is 39.

The square root of 726741813 is about 26958.1492873676. The cubic root of 726741813 is about 899.0697437399.

The spelling of 726741813 in words is "seven hundred twenty-six million, seven hundred forty-one thousand, eight hundred thirteen".