73995638680 has 32 divisors (see below), whose sum is σ = 166507520400. Its totient is φ = 29595174016.

The previous prime is 73995638671. The next prime is 73995638707. The reversal of 73995638680 is 8683659937.

It is a super-2 number, since 2×73995638680² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314334 + ... + 496786.

Almost surely, 2^73995638680 is an apocalyptic number.

It is an amenable number.

73995638680 is an abundant number, since it is smaller than the sum of its proper divisors (92511881720).

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

73995638680 is a wasteful number, since it uses less digits than its factorization.

73995638680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192603 (or 192599 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 73995638680 in words is "seventy-three billion, nine hundred ninety-five million, six hundred thirty-eight thousand, six hundred eighty".