71022044 has 12 divisors (see below), whose sum is σ = 128574600. Its totient is φ = 34286448.

The previous prime is 71022041. The next prime is 71022053. The reversal of 71022044 is 44022017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71022041) 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, 306014 + ... + 306245.

It is an arithmetic number, because the mean of its divisors is an integer number (10714550).

Almost surely, 2^71022044 is an apocalyptic number.

It is an amenable number.

71022044 is a deficient number, since it is larger than the sum of its proper divisors (57552556).

71022044 is a wasteful number, since it uses less digits than its factorization.

71022044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612292 (or 612290 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 71022044 is about 8427.4577424037. The cubic root of 71022044 is about 414.1246250555.

The spelling of 71022044 in words is "seventy-one million, twenty-two thousand, forty-four".