71628626 has 16 divisors (see below), whose sum is σ = 110340384. Its totient is φ = 34854624.

The previous prime is 71628619. The next prime is 71628649. The reversal of 71628626 is 62682617.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71628626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25046 + ... + 27758.

It is an arithmetic number, because the mean of its divisors is an integer number (6896274).

Almost surely, 2^71628626 is an apocalyptic number.

71628626 is a deficient number, since it is larger than the sum of its proper divisors (38711758).

71628626 is a wasteful number, since it uses less digits than its factorization.

71628626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 48384, while the sum is 38.

The square root of 71628626 is about 8463.3696598932. The cubic root of 71628626 is about 415.3002636588.

The spelling of 71628626 in words is "seventy-one million, six hundred twenty-eight thousand, six hundred twenty-six".