71864008 has 16 divisors (see below), whose sum is σ = 137879280. Its totient is φ = 35096208.

The previous prime is 71864003. The next prime is 71864017. The reversal of 71864008 is 80046817.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71864003) 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, 104110 + ... + 104797.

It is an arithmetic number, because the mean of its divisors is an integer number (8617455).

Almost surely, 2^71864008 is an apocalyptic number.

It is an amenable number.

71864008 is a deficient number, since it is larger than the sum of its proper divisors (66015272).

71864008 is a wasteful number, since it uses less digits than its factorization.

71864008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208956 (or 208952 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 71864008 is about 8477.2641813264. The cubic root of 71864008 is about 415.7546784602.

The spelling of 71864008 in words is "seventy-one million, eight hundred sixty-four thousand, eight".