71713479 has 8 divisors (see below), whose sum is σ = 96964992. Its totient is φ = 47135480.

The previous prime is 71713457. The next prime is 71713483. The reversal of 71713479 is 97431717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71713479 - 2⁷ = 71713351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71717479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168129 + ... + 168554.

It is an arithmetic number, because the mean of its divisors is an integer number (12120624).

Almost surely, 2^71713479 is an apocalyptic number.

71713479 is a deficient number, since it is larger than the sum of its proper divisors (25251513).

71713479 is a wasteful number, since it uses less digits than its factorization.

71713479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336757.

The product of its digits is 37044, while the sum is 39.

The square root of 71713479 is about 8468.3811321881. The cubic root of 71713479 is about 415.4641905188.

It can be divided in two parts, 717 and 13479, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 71713479 in words is "seventy-one million, seven hundred thirteen thousand, four hundred seventy-nine".