75008172 has 12 divisors (see below), whose sum is σ = 175019096. Its totient is φ = 25002720.

The previous prime is 75008161. The next prime is 75008191. The reversal of 75008172 is 27180057.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125329 + ... + 3125352.

Almost surely, 2^75008172 is an apocalyptic number.

It is an amenable number.

75008172 is an abundant number, since it is smaller than the sum of its proper divisors (100010924).

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

75008172 is a wasteful number, since it uses less digits than its factorization.

75008172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250688 (or 6250686 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 75008172 is about 8660.7258356329. The cubic root of 75008172 is about 421.7316488318.

The spelling of 75008172 in words is "seventy-five million, eight thousand, one hundred seventy-two".