776713 has 16 divisors (see below), whose sum is σ = 964224. Its totient is φ = 610560.

The previous prime is 776693. The next prime is 776719. The reversal of 776713 is 317677.

It is a happy number.

776713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 776713 - 2⁹ = 776201 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 (776719) 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, 7206 + ... + 7312.

It is an arithmetic number, because the mean of its divisors is an integer number (60264).

2⁷⁷⁶⁷¹³ is an apocalyptic number.

It is an amenable number.

776713 is a deficient number, since it is larger than the sum of its proper divisors (187511).

776713 is a wasteful number, since it uses less digits than its factorization.

776713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its digits is 6174, while the sum is 31.

The square root of 776713 is about 881.3132246823. The cubic root of 776713 is about 91.9221537453.

The spelling of 776713 in words is "seven hundred seventy-six thousand, seven hundred thirteen".