75128080 has 40 divisors (see below), whose sum is σ = 175113792. Its totient is φ = 29975424.

The previous prime is 75128077. The next prime is 75128089. The reversal of 75128080 is 8082157.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (75128089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39307 + ... + 41173.

Almost surely, 2^75128080 is an apocalyptic number.

It is an amenable number.

75128080 is an abundant number, since it is smaller than the sum of its proper divisors (99985712).

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

75128080 is a wasteful number, since it uses less digits than its factorization.

75128080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 75128080 is about 8667.6455857401. The cubic root of 75128080 is about 421.9562558072.

The spelling of 75128080 in words is "seventy-five million, one hundred twenty-eight thousand, eighty".