73744855893 has 8 divisors (see below), whose sum is σ = 109251638400. Its totient is φ = 49163237244.

The previous prime is 73744855841. The next prime is 73744855901. The reversal of 73744855893 is 39855844737.

73744855893 is a `hidden beast` number, since 7 + 3 + 7 + 4 + 48 + 5 + 589 + 3 = 666.

It is not a de Polignac number, because 73744855893 - 2²⁰ = 73743807317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73744855893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73744855193) 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 7 ways as a sum of consecutive naturals, for example, 1365645453 + ... + 1365645506.

It is an arithmetic number, because the mean of its divisors is an integer number (13656454800).

Almost surely, 2^73744855893 is an apocalyptic number.

It is an amenable number.

73744855893 is a deficient number, since it is larger than the sum of its proper divisors (35506782507).

73744855893 is a wasteful number, since it uses less digits than its factorization.

73744855893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731290968 (or 2731290962 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 73744855893 in words is "seventy-three billion, seven hundred forty-four million, eight hundred fifty-five thousand, eight hundred ninety-three".