71679743604 has 72 divisors (see below), whose sum is σ = 210469529088. Its totient is φ = 20144185920.

The previous prime is 71679743567. The next prime is 71679743609. The reversal of 71679743604 is 40634797617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71679743609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2316132 + ... + 2346875.

It is an arithmetic number, because the mean of its divisors is an integer number (2923187904).

Almost surely, 2^71679743604 is an apocalyptic number.

It is an amenable number.

71679743604 is an abundant number, since it is smaller than the sum of its proper divisors (138789785484).

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

71679743604 is a wasteful number, since it uses less digits than its factorization.

71679743604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663085 (or 4663080 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 71679743604 in words is "seventy-one billion, six hundred seventy-nine million, seven hundred forty-three thousand, six hundred four".