75149379222 has 24 divisors (see below), whose sum is σ = 157117612344. Its totient is φ = 23960670624.

The previous prime is 75149379203. The next prime is 75149379233. The reversal of 75149379222 is 22297394157.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11835103 + ... + 11841450.

It is an arithmetic number, because the mean of its divisors is an integer number (6546567181).

Almost surely, 2^75149379222 is an apocalyptic number.

75149379222 is an abundant number, since it is smaller than the sum of its proper divisors (81968233122).

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

75149379222 is a wasteful number, since it uses less digits than its factorization.

75149379222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676604 (or 23676581 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 75149379222 in words is "seventy-five billion, one hundred forty-nine million, three hundred seventy-nine thousand, two hundred twenty-two".