71680037970 has 32 divisors (see below), whose sum is σ = 179511748992. Its totient is φ = 18283603712.

The previous prime is 71680037921. The next prime is 71680037981. The reversal of 71680037970 is 7973008617.

It is a happy number.

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, 51941367 + ... + 51942746.

It is an arithmetic number, because the mean of its divisors is an integer number (5609742156).

Almost surely, 2^71680037970 is an apocalyptic number.

71680037970 is an abundant number, since it is smaller than the sum of its proper divisors (107831711022).

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

71680037970 is a wasteful number, since it uses less digits than its factorization.

71680037970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103884146.

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 71680037970 in words is "seventy-one billion, six hundred eighty million, thirty-seven thousand, nine hundred seventy".