71273206 has 8 divisors (see below), whose sum is σ = 107069760. Its totient is φ = 35583288.

The previous prime is 71273203. The next prime is 71273261. The reversal of 71273206 is 60237217.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71273203) 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, 24966 + ... + 27673.

It is an arithmetic number, because the mean of its divisors is an integer number (13383720).

Almost surely, 2^71273206 is an apocalyptic number.

71273206 is a deficient number, since it is larger than the sum of its proper divisors (35796554).

71273206 is a wasteful number, since it uses less digits than its factorization.

71273206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53318.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 71273206 is about 8442.3460009644. The cubic root of 71273206 is about 414.6122201455.

The spelling of 71273206 in words is "seventy-one million, two hundred seventy-three thousand, two hundred six".