75017172 has 12 divisors (see below), whose sum is σ = 175040096. Its totient is φ = 25005720.

The previous prime is 75017119. The next prime is 75017203. The reversal of 75017172 is 27171057.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3125704 + ... + 3125727.

Almost surely, 2^75017172 is an apocalyptic number.

It is an amenable number.

75017172 is an abundant number, since it is smaller than the sum of its proper divisors (100022924).

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

75017172 is a wasteful number, since it uses less digits than its factorization.

75017172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251438 (or 6251436 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 75017172 is about 8661.2454069839. The cubic root of 75017172 is about 421.7485155853.

The spelling of 75017172 in words is "seventy-five million, seventeen thousand, one hundred seventy-two".