71441622 has 32 divisors (see below), whose sum is σ = 181440000. Its totient is φ = 20411784.

The previous prime is 71441621. The next prime is 71441627. The reversal of 71441622 is 22614417.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71441621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94122 + ... + 94877.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^71441622 is an apocalyptic number.

71441622 is an abundant number, since it is smaller than the sum of its proper divisors (109998378).

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

71441622 is a wasteful number, since it uses less digits than its factorization.

71441622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189017 (or 189011 counting only the distinct ones).

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

The square root of 71441622 is about 8452.3145942399. The cubic root of 71441622 is about 414.9385344687.

The spelling of 71441622 in words is "seventy-one million, four hundred forty-one thousand, six hundred twenty-two".