187440068573 has 16 divisors (see below), whose sum is σ = 200443476480. Its totient is φ = 174771638064.

The previous prime is 187440068561. The next prime is 187440068587. The reversal of 187440068573 is 375860044781.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 187440068573 - 2⁸ = 187440068317 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187440068533) 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, 25190 + ... + 612792.

It is an arithmetic number, because the mean of its divisors is an integer number (12527717280).

Almost surely, 2^187440068573 is an apocalyptic number.

It is an amenable number.

187440068573 is a deficient number, since it is larger than the sum of its proper divisors (13003407907).

187440068573 is a wasteful number, since it uses less digits than its factorization.

187440068573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587888.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 187440068573 in words is "one hundred eighty-seven billion, four hundred forty million, sixty-eight thousand, five hundred seventy-three".