71224908 has 12 divisors (see below), whose sum is σ = 166191480. Its totient is φ = 23741632.

The previous prime is 71224843. The next prime is 71224927. The reversal of 71224908 is 80942217.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2967693 + ... + 2967716.

It is an arithmetic number, because the mean of its divisors is an integer number (13849290).

Almost surely, 2^71224908 is an apocalyptic number.

It is an amenable number.

71224908 is an abundant number, since it is smaller than the sum of its proper divisors (94966572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71224908 is a wasteful number, since it uses less digits than its factorization.

71224908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5935416 (or 5935414 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 71224908 is about 8439.4850553810. The cubic root of 71224908 is about 414.5185455511.

The spelling of 71224908 in words is "seventy-one million, two hundred twenty-four thousand, nine hundred eight".