71199397604 has 12 divisors (see below), whose sum is σ = 131156785200. Its totient is φ = 33726030408.

The previous prime is 71199397597. The next prime is 71199397613. The reversal of 71199397604 is 40679399117.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 71199397604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468417014 + ... + 468417165.

It is an arithmetic number, because the mean of its divisors is an integer number (10929732100).

Almost surely, 2^71199397604 is an apocalyptic number.

It is an amenable number.

71199397604 is a deficient number, since it is larger than the sum of its proper divisors (59957387596).

71199397604 is a wasteful number, since it uses less digits than its factorization.

71199397604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936834202 (or 936834200 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 71199397604 in words is "seventy-one billion, one hundred ninety-nine million, three hundred ninety-seven thousand, six hundred four".