71444073 has 8 divisors (see below), whose sum is σ = 95305248. Its totient is φ = 47606144.

The previous prime is 71444069. The next prime is 71444083. The reversal of 71444073 is 37044417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71444073 - 2² = 71444069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71444073.

It is not an unprimeable number, because it can be changed into a prime (71444063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (11913156).

Almost surely, 2^71444073 is an apocalyptic number.

It is an amenable number.

71444073 is a deficient number, since it is larger than the sum of its proper divisors (23861175).

71444073 is a wasteful number, since it uses less digits than its factorization.

71444073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11623.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 71444073 is about 8452.4595828670. The cubic root of 71444073 is about 414.9432796144.

The spelling of 71444073 in words is "seventy-one million, four hundred forty-four thousand, seventy-three".