71679413 has 8 divisors (see below), whose sum is σ = 77669088. Its totient is φ = 65757744.

The previous prime is 71679389. The next prime is 71679469. The reversal of 71679413 is 31497617.

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

It is not a de Polignac number, because 71679413 - 2¹⁰ = 71678389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14795 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (9708636).

Almost surely, 2^71679413 is an apocalyptic number.

It is an amenable number.

71679413 is a deficient number, since it is larger than the sum of its proper divisors (5989675).

71679413 is a wasteful number, since it uses less digits than its factorization.

71679413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34003.

The product of its digits is 31752, while the sum is 38.

The square root of 71679413 is about 8466.3695289067. The cubic root of 71679413 is about 415.3983942186.

The spelling of 71679413 in words is "seventy-one million, six hundred seventy-nine thousand, four hundred thirteen".