71226146 has 16 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 33584208.

The previous prime is 71226139. The next prime is 71226151. The reversal of 71226146 is 64162217.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 11786 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (7068600).

Almost surely, 2^71226146 is an apocalyptic number.

71226146 is a deficient number, since it is larger than the sum of its proper divisors (41871454).

71226146 is a wasteful number, since it uses less digits than its factorization.

71226146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633.

The product of its digits is 4032, while the sum is 29.

The square root of 71226146 is about 8439.5584007696. The cubic root of 71226146 is about 414.5209471968.

The spelling of 71226146 in words is "seventy-one million, two hundred twenty-six thousand, one hundred forty-six".