71209068 has 24 divisors (see below), whose sum is σ = 189891072. Its totient is φ = 20345424.

The previous prime is 71209067. The next prime is 71209109. The reversal of 71209068 is 86090217.

It is not an unprimeable number, because it can be changed into a prime (71209063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423780 + ... + 423947.

It is an arithmetic number, because the mean of its divisors is an integer number (7912128).

Almost surely, 2^71209068 is an apocalyptic number.

It is an amenable number.

71209068 is an abundant number, since it is smaller than the sum of its proper divisors (118682004).

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

71209068 is a wasteful number, since it uses less digits than its factorization.

71209068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847741 (or 847739 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 71209068 is about 8438.5465573166. The cubic root of 71209068 is about 414.4878144452.

The spelling of 71209068 in words is "seventy-one million, two hundred nine thousand, sixty-eight".