71044146 has 24 divisors (see below), whose sum is σ = 154113024. Its totient is φ = 23653080.

The previous prime is 71044123. The next prime is 71044153. The reversal of 71044146 is 64144017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17751 + ... + 21381.

It is an arithmetic number, because the mean of its divisors is an integer number (6421376).

Almost surely, 2^71044146 is an apocalyptic number.

71044146 is an abundant number, since it is smaller than the sum of its proper divisors (83068878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71044146 is a wasteful number, since it uses less digits than its factorization.

71044146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4723 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 71044146 is about 8428.7689492594. The cubic root of 71044146 is about 414.1675790111.

The spelling of 71044146 in words is "seventy-one million, forty-four thousand, one hundred forty-six".