71240006 has 16 divisors (see below), whose sum is σ = 113210160. Its totient is φ = 33527520.

The previous prime is 71239997. The next prime is 71240011. The reversal of 71240006 is 60004217.

It is a self number, because there is not a number n which added to its sum of digits gives 71240006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (7075635).

Almost surely, 2^71240006 is an apocalyptic number.

71240006 is a deficient number, since it is larger than the sum of its proper divisors (41970154).

71240006 is a wasteful number, since it uses less digits than its factorization.

71240006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 71240006 is about 8440.3794938379. The cubic root of 71240006 is about 414.5478328656.

The spelling of 71240006 in words is "seventy-one million, two hundred forty thousand, six".