71355968 has 14 divisors (see below), whose sum is σ = 141597126. Its totient is φ = 35677952.

The previous prime is 71355941. The next prime is 71355983. The reversal of 71355968 is 86955317.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 28217344 = 6568^2 + 5312^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557405 + ... + 557532.

Almost surely, 2^71355968 is an apocalyptic number.

It is an amenable number.

71355968 is a deficient number, since it is larger than the sum of its proper divisors (70241158).

71355968 is a wasteful number, since it uses less digits than its factorization.

71355968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114949 (or 1114939 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 71355968 is about 8447.2461784892. The cubic root of 71355968 is about 414.7726397723.

The spelling of 71355968 in words is "seventy-one million, three hundred fifty-five thousand, nine hundred sixty-eight".