776413 has 4 divisors (see below), whose sum is σ = 847008. Its totient is φ = 705820.

The previous prime is 776401. The next prime is 776429. The reversal of 776413 is 314677.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314677 = 11 ⋅28607.

It is a cyclic number.

It is not a de Polignac number, because 776413 - 2¹³ = 768221 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 (776453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35281 + ... + 35302.

It is an arithmetic number, because the mean of its divisors is an integer number (211752).

2⁷⁷⁶⁴¹³ is an apocalyptic number.

It is an amenable number.

776413 is a deficient number, since it is larger than the sum of its proper divisors (70595).

776413 is a wasteful number, since it uses less digits than its factorization.

776413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70594.

The product of its digits is 3528, while the sum is 28.

The square root of 776413 is about 881.1430076894. The cubic root of 776413 is about 91.9103174569.

It can be divided in two parts, 7764 and 13, that added together give a palindrome (7777).

The spelling of 776413 in words is "seven hundred seventy-six thousand, four hundred thirteen".