71147008 has 20 divisors (see below), whose sum is σ = 142156080. Its totient is φ = 35573248.

The previous prime is 71146997. The next prime is 71147009. The reversal of 71147008 is 80074117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71147009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68968 + ... + 69991.

It is an arithmetic number, because the mean of its divisors is an integer number (7107804).

Almost surely, 2^71147008 is an apocalyptic number.

It is an amenable number.

71147008 is a deficient number, since it is larger than the sum of its proper divisors (71009072).

71147008 is an equidigital number, since it uses as much as digits as its factorization.

71147008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138977 (or 138961 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 71147008 is about 8434.8685822602. The cubic root of 71147008 is about 414.3673682210.

The spelling of 71147008 in words is "seventy-one million, one hundred forty-seven thousand, eight".