73783057047 has 16 divisors (see below), whose sum is σ = 112603522560. Its totient is φ = 42097172832.

The previous prime is 73783057001. The next prime is 73783057087. The reversal of 73783057047 is 74075038737.

It is a happy number.

It is not a de Polignac number, because 73783057047 - 2²⁰ = 73782008471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73783057087) 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, 2676547 + ... + 2703972.

It is an arithmetic number, because the mean of its divisors is an integer number (7037720160).

Almost surely, 2^73783057047 is an apocalyptic number.

73783057047 is a deficient number, since it is larger than the sum of its proper divisors (38820465513).

73783057047 is a wasteful number, since it uses less digits than its factorization.

73783057047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381182.

The product of its (nonzero) digits is 3457440, while the sum is 51.

The spelling of 73783057047 in words is "seventy-three billion, seven hundred eighty-three million, fifty-seven thousand, forty-seven".