71764336868 has 48 divisors (see below), whose sum is σ = 145598745600. Its totient is φ = 30312848160.

The previous prime is 71764336837. The next prime is 71764336883. The reversal of 71764336868 is 86863346717.

It is a super-2 number, since 2×71764336868² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11246903 + ... + 11253281.

It is an arithmetic number, because the mean of its divisors is an integer number (3033307200).

Almost surely, 2^71764336868 is an apocalyptic number.

It is an amenable number.

71764336868 is an abundant number, since it is smaller than the sum of its proper divisors (73834408732).

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

71764336868 is a wasteful number, since it uses less digits than its factorization.

71764336868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120 (or 12118 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 59.

The spelling of 71764336868 in words is "seventy-one billion, seven hundred sixty-four million, three hundred thirty-six thousand, eight hundred sixty-eight".