73374742555989 has 16 divisors (see below), whose sum is σ = 111851371542528. Its totient is φ = 41912584306992.

The previous prime is 73374742555901. The next prime is 73374742556083. The reversal of 73374742555989 is 98955524747337.

It is not a de Polignac number, because 73374742555989 - 2¹² = 73374742551893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73374742555489) 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, 659943537 + ... + 660054710.

It is an arithmetic number, because the mean of its divisors is an integer number (6990710721408).

Almost surely, 2^{73374742555989} is an apocalyptic number.

It is an amenable number.

73374742555989 is a deficient number, since it is larger than the sum of its proper divisors (38476628986539).

73374742555989 is a wasteful number, since it uses less digits than its factorization.

73374742555989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320000904.

The product of its digits is 8001504000, while the sum is 78.

The spelling of 73374742555989 in words is "seventy-three trillion, three hundred seventy-four billion, seven hundred forty-two million, five hundred fifty-five thousand, nine hundred eighty-nine".