75840321142 has 8 divisors (see below), whose sum is σ = 113898042216. Its totient is φ = 37874307072.

The previous prime is 75840321113. The next prime is 75840321143. The reversal of 75840321142 is 24112304857.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75840321143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22924683 + ... + 22927990.

It is an arithmetic number, because the mean of its divisors is an integer number (14237255277).

Almost surely, 2^75840321142 is an apocalyptic number.

75840321142 is a deficient number, since it is larger than the sum of its proper divisors (38057721074).

75840321142 is a wasteful number, since it uses less digits than its factorization.

75840321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45853502.

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 75840321142 its reverse (24112304857), we get a palindrome (99952625999).

The spelling of 75840321142 in words is "seventy-five billion, eight hundred forty million, three hundred twenty-one thousand, one hundred forty-two".