726770077 has 16 divisors (see below), whose sum is σ = 875981952. Its totient is φ = 594795520.

The previous prime is 726770069. The next prime is 726770087. The reversal of 726770077 is 770077627.

726770077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 726770077 - 2³ = 726770069 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 (726770017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80188 + ... + 88789.

It is an arithmetic number, because the mean of its divisors is an integer number (54748872).

Almost surely, 2^726770077 is an apocalyptic number.

It is an amenable number.

726770077 is a deficient number, since it is larger than the sum of its proper divisors (149211875).

726770077 is a wasteful number, since it uses less digits than its factorization.

726770077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169028.

The product of its (nonzero) digits is 201684, while the sum is 43.

The square root of 726770077 is about 26958.6735022330. The cubic root of 726770077 is about 899.0813989464.

The spelling of 726770077 in words is "seven hundred twenty-six million, seven hundred seventy thousand, seventy-seven".