75381318 has 12 divisors (see below), whose sum is σ = 163326228. Its totient is φ = 25127100.

The previous prime is 75381311. The next prime is 75381331. The reversal of 75381318 is 81318357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75381311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2093908 + ... + 2093943.

It is an arithmetic number, because the mean of its divisors is an integer number (13610519).

Almost surely, 2^75381318 is an apocalyptic number.

75381318 is an abundant number, since it is smaller than the sum of its proper divisors (87944910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75381318 is a wasteful number, since it uses less digits than its factorization.

75381318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187859 (or 4187856 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 75381318 is about 8682.2415308490. The cubic root of 75381318 is about 422.4298271702.

The spelling of 75381318 in words is "seventy-five million, three hundred eighty-one thousand, three hundred eighteen".