73866752047 has 4 divisors (see below), whose sum is σ = 80581911336. Its totient is φ = 67151592760.

The previous prime is 73866752027. The next prime is 73866752051. The reversal of 73866752047 is 74025766837.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73866752047 - 2¹⁹ = 73866227759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73866752017) 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 3 ways as a sum of consecutive naturals, for example, 3357579628 + ... + 3357579649.

It is an arithmetic number, because the mean of its divisors is an integer number (20145477834).

Almost surely, 2^73866752047 is an apocalyptic number.

73866752047 is a deficient number, since it is larger than the sum of its proper divisors (6715159289).

73866752047 is a wasteful number, since it uses less digits than its factorization.

73866752047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715159288.

The product of its (nonzero) digits is 11854080, while the sum is 55.

The spelling of 73866752047 in words is "seventy-three billion, eight hundred sixty-six million, seven hundred fifty-two thousand, forty-seven".