71890826706 has 48 divisors (see below), whose sum is σ = 160857785088. Its totient is φ = 23180536800.

The previous prime is 71890826701. The next prime is 71890826731. The reversal of 71890826706 is 60762809817.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71890826701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1318620 + ... + 1372056.

It is an arithmetic number, because the mean of its divisors is an integer number (3351203856).

Almost surely, 2^71890826706 is an apocalyptic number.

71890826706 is an abundant number, since it is smaller than the sum of its proper divisors (88966958382).

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

71890826706 is a wasteful number, since it uses less digits than its factorization.

71890826706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55887 (or 55884 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 71890826706 in words is "seventy-one billion, eight hundred ninety million, eight hundred twenty-six thousand, seven hundred six".