71680037973 has 16 divisors (see below), whose sum is σ = 95690833920. Its totient is φ = 47728007216.

The previous prime is 71680037921. The next prime is 71680037981. The reversal of 71680037973 is 37973008617.

It is a cyclic number.

It is not a de Polignac number, because 71680037973 - 2¹⁶ = 71679972437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71680037573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12985108 + ... + 12990626.

It is an arithmetic number, because the mean of its divisors is an integer number (5980677120).

Almost surely, 2^71680037973 is an apocalyptic number.

It is an amenable number.

71680037973 is a deficient number, since it is larger than the sum of its proper divisors (24010795947).

71680037973 is a wasteful number, since it uses less digits than its factorization.

71680037973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056.

The product of its (nonzero) digits is 1333584, while the sum is 51.

The spelling of 71680037973 in words is "seventy-one billion, six hundred eighty million, thirty-seven thousand, nine hundred seventy-three".