75218685368 has 32 divisors (see below), whose sum is σ = 141330432960. Its totient is φ = 37530641280.

The previous prime is 75218685361. The next prime is 75218685371. The reversal of 75218685368 is 86358681257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75218685361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12936830 + ... + 12942642.

It is an arithmetic number, because the mean of its divisors is an integer number (4416576030).

Almost surely, 2^75218685368 is an apocalyptic number.

It is an amenable number.

75218685368 is a deficient number, since it is larger than the sum of its proper divisors (66111747592).

75218685368 is a wasteful number, since it uses less digits than its factorization.

75218685368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927 (or 8923 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 75218685368 in words is "seventy-five billion, two hundred eighteen million, six hundred eighty-five thousand, three hundred sixty-eight".