71776413 has 12 divisors (see below), whose sum is σ = 103866048. Its totient is φ = 47763720.

The previous prime is 71776381. The next prime is 71776423. The reversal of 71776413 is 31467717.

71776413 is a `hidden beast` number, since 7 + 1 + 7 + 7 + 641 + 3 = 666.

It is not a de Polignac number, because 71776413 - 2⁵ = 71776381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71776423) 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 11 ways as a sum of consecutive naturals, for example, 1845 + ... + 12122.

It is an arithmetic number, because the mean of its divisors is an integer number (8655504).

Almost surely, 2^71776413 is an apocalyptic number.

It is an amenable number.

71776413 is a deficient number, since it is larger than the sum of its proper divisors (32089635).

71776413 is a wasteful number, since it uses less digits than its factorization.

71776413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14544 (or 14541 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 71776413 is about 8472.0961396811. The cubic root of 71776413 is about 415.5856887311.

The spelling of 71776413 in words is "seventy-one million, seven hundred seventy-six thousand, four hundred thirteen".