71327904 has 24 divisors (see below), whose sum is σ = 187236000. Its totient is φ = 23775936.

The previous prime is 71327891. The next prime is 71327909. The reversal of 71327904 is 40972317.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (71327909) 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, 371404 + ... + 371595.

It is an arithmetic number, because the mean of its divisors is an integer number (7801500).

Almost surely, 2^71327904 is an apocalyptic number.

It is an amenable number.

71327904 is an abundant number, since it is smaller than the sum of its proper divisors (115908096).

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

71327904 is a wasteful number, since it uses less digits than its factorization.

71327904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743012 (or 743004 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 71327904 is about 8445.5848820552. The cubic root of 71327904 is about 414.7182565346.

The spelling of 71327904 in words is "seventy-one million, three hundred twenty-seven thousand, nine hundred four".