71279011 has 8 divisors (see below), whose sum is σ = 76896864. Its totient is φ = 65819520.

The previous prime is 71279009. The next prime is 71279017. The reversal of 71279011 is 11097217.

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 71279011 - 2¹ = 71279009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71279017) 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, 38655 + ... + 40456.

It is an arithmetic number, because the mean of its divisors is an integer number (9612108).

Almost surely, 2^71279011 is an apocalyptic number.

71279011 is a deficient number, since it is larger than the sum of its proper divisors (5617853).

71279011 is a wasteful number, since it uses less digits than its factorization.

71279011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79181.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 71279011 is about 8442.6897965044. The cubic root of 71279011 is about 414.6234761687.

The spelling of 71279011 in words is "seventy-one million, two hundred seventy-nine thousand, eleven".