71672904576 has 192 divisors, whose sum is σ = 253841908320. Its totient is φ = 18902716416.

The previous prime is 71672904571. The next prime is 71672904577. The reversal of 71672904576 is 67540927617.

71672904576 is a `hidden beast` number, since 7 + 1 + 67 + 2 + 9 + 0 + 4 + 576 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71672904571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237015 + ... + 446678.

Almost surely, 2^71672904576 is an apocalyptic number.

It is an amenable number.

71672904576 is an abundant number, since it is smaller than the sum of its proper divisors (182169003744).

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

71672904576 is a wasteful number, since it uses less digits than its factorization.

71672904576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683733 (or 683718 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 71672904576 in words is "seventy-one billion, six hundred seventy-two million, nine hundred four thousand, five hundred seventy-six".