73543849756 has 12 divisors (see below), whose sum is σ = 138601870792. Its totient is φ = 33943315248.

The previous prime is 73543849679. The next prime is 73543849807. The reversal of 73543849756 is 65794834537.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73543849694 and 73543849703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707152350 + ... + 707152453.

Almost surely, 2^73543849756 is an apocalyptic number.

It is an amenable number.

73543849756 is a deficient number, since it is larger than the sum of its proper divisors (65058021036).

73543849756 is a wasteful number, since it uses less digits than its factorization.

73543849756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414304820 (or 1414304818 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 61.

The spelling of 73543849756 in words is "seventy-three billion, five hundred forty-three million, eight hundred forty-nine thousand, seven hundred fifty-six".