73740344185 has 8 divisors (see below), whose sum is σ = 93693613896. Its totient is φ = 55522141440.

The previous prime is 73740344179. The next prime is 73740344191. The reversal of 73740344185 is 58144304737.

It is an interprime number because it is at equal distance from previous prime (73740344179) and next prime (73740344191).

It can be written as a sum of positive squares in 4 ways, for example, as 583077609 + 73157266576 = 24147^2 + 270476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73740344185 - 2¹⁹ = 73739819897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433766646 + ... + 433766815.

It is an arithmetic number, because the mean of its divisors is an integer number (11711701737).

Almost surely, 2^73740344185 is an apocalyptic number.

It is an amenable number.

73740344185 is a deficient number, since it is larger than the sum of its proper divisors (19953269711).

73740344185 is a wasteful number, since it uses less digits than its factorization.

73740344185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867533483.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 73740344185 in words is "seventy-three billion, seven hundred forty million, three hundred forty-four thousand, one hundred eighty-five".