71628812306 has 16 divisors (see below), whose sum is σ = 107572800384. Its totient is φ = 35771240544.

The previous prime is 71628812287. The next prime is 71628812351. The reversal of 71628812306 is 60321882617.

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, 6920171 + ... + 6930513.

It is an arithmetic number, because the mean of its divisors is an integer number (6723300024).

Almost surely, 2^71628812306 is an apocalyptic number.

71628812306 is a deficient number, since it is larger than the sum of its proper divisors (35943988078).

71628812306 is a wasteful number, since it uses less digits than its factorization.

71628812306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 71628812306 in words is "seventy-one billion, six hundred twenty-eight million, eight hundred twelve thousand, three hundred six".