71409368 has 32 divisors (see below), whose sum is σ = 142992000. Its totient is φ = 33358080.

The previous prime is 71409347. The next prime is 71409379. The reversal of 71409368 is 86390417.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228 + ... + 12156.

It is an arithmetic number, because the mean of its divisors is an integer number (4468500).

Almost surely, 2^71409368 is an apocalyptic number.

It is an amenable number.

71409368 is an abundant number, since it is smaller than the sum of its proper divisors (71582632).

71409368 is a wasteful number, since it uses less digits than its factorization.

71409368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995 (or 9991 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 71409368 is about 8450.4063807606. The cubic root of 71409368 is about 414.8760804831.

The spelling of 71409368 in words is "seventy-one million, four hundred nine thousand, three hundred sixty-eight".