73749692656 has 20 divisors (see below), whose sum is σ = 143221574304. Its totient is φ = 36789286400.

The previous prime is 73749692651. The next prime is 73749692657. The reversal of 73749692656 is 65629694737.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73749692651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340385 + ... + 5354176.

Almost surely, 2^73749692656 is an apocalyptic number.

It is an amenable number.

73749692656 is a deficient number, since it is larger than the sum of its proper divisors (69471881648).

73749692656 is a wasteful number, since it uses less digits than its factorization.

73749692656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10695000 (or 10694994 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 64.

The spelling of 73749692656 in words is "seventy-three billion, seven hundred forty-nine million, six hundred ninety-two thousand, six hundred fifty-six".