713684779 has 4 divisors (see below), whose sum is σ = 744714576. Its totient is φ = 682654984.

The previous prime is 713684773. The next prime is 713684849. The reversal of 713684779 is 977486317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 977486317 = 701 ⋅1394417.

It is a cyclic number.

It is not a de Polignac number, because 713684779 - 2³ = 713684771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713684771) 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 3 ways as a sum of consecutive naturals, for example, 15514864 + ... + 15514909.

It is an arithmetic number, because the mean of its divisors is an integer number (186178644).

Almost surely, 2^713684779 is an apocalyptic number.

713684779 is a deficient number, since it is larger than the sum of its proper divisors (31029797).

713684779 is a wasteful number, since it uses less digits than its factorization.

713684779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31029796.

The product of its digits is 1778112, while the sum is 52.

The square root of 713684779 is about 26714.8793558945. The cubic root of 713684779 is about 893.6527816141.

The spelling of 713684779 in words is "seven hundred thirteen million, six hundred eighty-four thousand, seven hundred seventy-nine".