75128 has 8 divisors (see below), whose sum is σ = 140880. Its totient is φ = 37560.

The previous prime is 75109. The next prime is 75133. The reversal of 75128 is 82157.

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4688 + ... + 4703.

It is an arithmetic number, because the mean of its divisors is an integer number (17610).

2⁷⁵¹²⁸ is an apocalyptic number.

It is an amenable number.

75128 is a deficient number, since it is larger than the sum of its proper divisors (65752).

75128 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 16 representation: 75128 = (12578)₁₆.

75128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9397 (or 9393 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 75128 is about 274.0948740856. The cubic root of 75128 is about 42.1956106034.

The spelling of 75128 in words is "seventy-five thousand, one hundred twenty-eight".