71459979 has 8 divisors (see below), whose sum is σ = 96030720. Its totient is φ = 47264616.

The previous prime is 71459933. The next prime is 71460013. The reversal of 71459979 is 97995417.

It is a happy number.

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

It is not a de Polignac number, because 71459979 - 2¹⁹ = 70935691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71459579) 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, 93399 + ... + 94160.

It is an arithmetic number, because the mean of its divisors is an integer number (12003840).

Almost surely, 2^71459979 is an apocalyptic number.

71459979 is a deficient number, since it is larger than the sum of its proper divisors (24570741).

71459979 is a wasteful number, since it uses less digits than its factorization.

71459979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187689.

The product of its digits is 714420, while the sum is 51.

The square root of 71459979 is about 8453.4004400596. The cubic root of 71459979 is about 414.9740710563.

The spelling of 71459979 in words is "seventy-one million, four hundred fifty-nine thousand, nine hundred seventy-nine".