71966479 has 8 divisors (see below), whose sum is σ = 77968800. Its totient is φ = 66030816.

The previous prime is 71966473. The next prime is 71966483. The reversal of 71966479 is 97466917.

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

It is a cyclic number.

It is not a de Polignac number, because 71966479 - 2¹⁹ = 71442191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71966473) 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 7 ways as a sum of consecutive naturals, for example, 14404 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (9746100).

Almost surely, 2^71966479 is an apocalyptic number.

71966479 is a deficient number, since it is larger than the sum of its proper divisors (6002321).

71966479 is a wasteful number, since it uses less digits than its factorization.

71966479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33329.

The product of its digits is 571536, while the sum is 49.

The square root of 71966479 is about 8483.3059004141. The cubic root of 71966479 is about 415.9521930238.

The spelling of 71966479 in words is "seventy-one million, nine hundred sixty-six thousand, four hundred seventy-nine".