726773887 has 8 divisors (see below), whose sum is σ = 832381056. Its totient is φ = 621612312.

The previous prime is 726773867. The next prime is 726773891. The reversal of 726773887 is 788377627.

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

It is a cyclic number.

It is not a de Polignac number, because 726773887 - 2⁷ = 726773759 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 (726773837) 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 7 ways as a sum of consecutive naturals, for example, 107893 + ... + 114430.

It is an arithmetic number, because the mean of its divisors is an integer number (104047632).

Almost surely, 2^726773887 is an apocalyptic number.

726773887 is a deficient number, since it is larger than the sum of its proper divisors (105607169).

726773887 is a wasteful number, since it uses less digits than its factorization.

726773887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222797.

The product of its digits is 5531904, while the sum is 55.

The square root of 726773887 is about 26958.7441658546. The cubic root of 726773887 is about 899.0829700504.

The spelling of 726773887 in words is "seven hundred twenty-six million, seven hundred seventy-three thousand, eight hundred eighty-seven".