71123344 has 20 divisors (see below), whose sum is σ = 138160924. Its totient is φ = 35468928.

The previous prime is 71123329. The next prime is 71123347. The reversal of 71123344 is 44332117.

It can be written as a sum of positive squares in 2 ways, for example, as 31584400 + 39538944 = 5620^2 + 6288^2 .

It is not an unprimeable number, because it can be changed into a prime (71123347) 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, 754 + ... + 11950.

Almost surely, 2^71123344 is an apocalyptic number.

It is an amenable number.

71123344 is a deficient number, since it is larger than the sum of its proper divisors (67037580).

71123344 is a wasteful number, since it uses less digits than its factorization.

71123344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602 (or 11596 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 71123344 is about 8433.4657170110. The cubic root of 71123344 is about 414.3214226172.

The spelling of 71123344 in words is "seventy-one million, one hundred twenty-three thousand, three hundred forty-four".