71817068 has 12 divisors (see below), whose sum is σ = 127450512. Its totient is φ = 35402640.

The previous prime is 71817043. The next prime is 71817071. The reversal of 71817068 is 86071817.

It is a super-2 number, since 2×71817068² = 10315382512233248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126155 + ... + 126722.

It is an arithmetic number, because the mean of its divisors is an integer number (10620876).

Almost surely, 2^71817068 is an apocalyptic number.

It is an amenable number.

71817068 is a deficient number, since it is larger than the sum of its proper divisors (55633444).

71817068 is a wasteful number, since it uses less digits than its factorization.

71817068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252952 (or 252950 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 71817068 is about 8474.4951472049. The cubic root of 71817068 is about 415.6641381200.

The spelling of 71817068 in words is "seventy-one million, eight hundred seventeen thousand, sixty-eight".