71441738 has 8 divisors (see below), whose sum is σ = 107433732. Its totient is φ = 35630496.

The previous prime is 71441731. The next prime is 71441771. The reversal of 71441738 is 83714417.

It can be written as a sum of positive squares in 2 ways, for example, as 60637369 + 10804369 = 7787^2 + 3287^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 71441698 and 71441707.

It is not an unprimeable number, because it can be changed into a prime (71441731) 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, 44195 + ... + 45782.

Almost surely, 2^71441738 is an apocalyptic number.

71441738 is a deficient number, since it is larger than the sum of its proper divisors (35991994).

71441738 is a wasteful number, since it uses less digits than its factorization.

71441738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90376.

The product of its digits is 18816, while the sum is 35.

The square root of 71441738 is about 8452.3214562628. The cubic root of 71441738 is about 414.9387590476.

The spelling of 71441738 in words is "seventy-one million, four hundred forty-one thousand, seven hundred thirty-eight".