71744716980 has 96 divisors (see below), whose sum is σ = 227954926080. Its totient is φ = 18724855680.

The previous prime is 71744716949. The next prime is 71744716993. The reversal of 71744716980 is 8961744717.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1388031 + ... + 1438790.

It is an arithmetic number, because the mean of its divisors is an integer number (2374530480).

Almost surely, 2^71744716980 is an apocalyptic number.

It is an amenable number.

71744716980 is an abundant number, since it is smaller than the sum of its proper divisors (156210209100).

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

71744716980 is a wasteful number, since it uses less digits than its factorization.

71744716980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826886 (or 2826878 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 71744716980 in words is "seventy-one billion, seven hundred forty-four million, seven hundred sixteen thousand, nine hundred eighty".