71066506 has 8 divisors (see below), whose sum is σ = 121828320. Its totient is φ = 30457068.

The previous prime is 71066483. The next prime is 71066507. The reversal of 71066506 is 60566017.

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

It is not an unprimeable number, because it can be changed into a prime (71066507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538076 + ... + 2538103.

It is an arithmetic number, because the mean of its divisors is an integer number (15228540).

Almost surely, 2^71066506 is an apocalyptic number.

71066506 is a deficient number, since it is larger than the sum of its proper divisors (50761814).

71066506 is a wasteful number, since it uses less digits than its factorization.

71066506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076188.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 71066506 is about 8430.0952545034. The cubic root of 71066506 is about 414.2110253103.

The spelling of 71066506 in words is "seventy-one million, sixty-six thousand, five hundred six".