71808104 has 16 divisors (see below), whose sum is σ = 137505600. Its totient is φ = 35139952.

The previous prime is 71808103. The next prime is 71808127. The reversal of 71808104 is 40180817.

It is not an unprimeable number, because it can be changed into a prime (71808103) 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, 95114 + ... + 95865.

It is an arithmetic number, because the mean of its divisors is an integer number (8594100).

Almost surely, 2^71808104 is an apocalyptic number.

It is an amenable number.

71808104 is a deficient number, since it is larger than the sum of its proper divisors (65697496).

71808104 is a wasteful number, since it uses less digits than its factorization.

71808104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191032 (or 191028 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 71808104 is about 8473.9662496378. The cubic root of 71808104 is about 415.6468433994.

The spelling of 71808104 in words is "seventy-one million, eight hundred eight thousand, one hundred four".