71970939076 has 27 divisors (see below), whose sum is σ = 130173163407. Its totient is φ = 34816599720.

The previous prime is 71970939041. The next prime is 71970939083. The reversal of 71970939076 is 67093907917.

The square root of 71970939076 is 268274.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71970939076.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16630825 + ... + 16635151.

Almost surely, 2^71970939076 is an apocalyptic number.

71970939076 is the 268274-th square number.

It is an amenable number.

71970939076 is a deficient number, since it is larger than the sum of its proper divisors (58202224331).

71970939076 is an frugal number, since it uses more digits than its factorization.

71970939076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 4500846, while the sum is 58.

The spelling of 71970939076 in words is "seventy-one billion, nine hundred seventy million, nine hundred thirty-nine thousand, seventy-six".