73656677673 has 16 divisors (see below), whose sum is σ = 112883798400. Its totient is φ = 47411194320.

The previous prime is 73656677639. The next prime is 73656677713. The reversal of 73656677673 is 37677665637.

It is a happy number.

73656677673 is a `hidden beast` number, since 7 + 3 + 6 + 566 + 7 + 7 + 67 + 3 = 666.

It is not a de Polignac number, because 73656677673 - 2¹⁰ = 73656676649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73656677673.

It is not an unprimeable number, because it can be changed into a prime (73656677623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47034133 + ... + 47035698.

It is an arithmetic number, because the mean of its divisors is an integer number (7055237400).

Almost surely, 2^73656677673 is an apocalyptic number.

It is an amenable number.

73656677673 is a deficient number, since it is larger than the sum of its proper divisors (39227120727).

73656677673 is a wasteful number, since it uses less digits than its factorization.

73656677673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94069869 (or 94069863 counting only the distinct ones).

The product of its digits is 140026320, while the sum is 63.

The spelling of 73656677673 in words is "seventy-three billion, six hundred fifty-six million, six hundred seventy-seven thousand, six hundred seventy-three".