73566505743 has 16 divisors (see below), whose sum is σ = 101464487040. Its totient is φ = 47375503776.

The previous prime is 73566505717. The next prime is 73566505763. The reversal of 73566505743 is 34750566537.

It is not a de Polignac number, because 73566505743 - 2¹⁷ = 73566374671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73566505703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368605 + ... + 2399462.

It is an arithmetic number, because the mean of its divisors is an integer number (6341530440).

Almost surely, 2^73566505743 is an apocalyptic number.

73566505743 is a deficient number, since it is larger than the sum of its proper divisors (27897981297).

73566505743 is a wasteful number, since it uses less digits than its factorization.

73566505743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768246.

The product of its (nonzero) digits is 7938000, while the sum is 51.

The spelling of 73566505743 in words is "seventy-three billion, five hundred sixty-six million, five hundred five thousand, seven hundred forty-three".