75475928 has 48 divisors (see below), whose sum is σ = 157269840. Its totient is φ = 33929280.

The previous prime is 75475919. The next prime is 75475993. The reversal of 75475928 is 82957457.

It is a happy number.

It is a super-2 number, since 2×75475928² = 11393231414922368, which contains 22 as substring.

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, 99326 + ... + 100082.

It is an arithmetic number, because the mean of its divisors is an integer number (3276455).

Almost surely, 2^75475928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75475928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78634920).

75475928 is an abundant number, since it is smaller than the sum of its proper divisors (81793912).

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

75475928 is a wasteful number, since it uses less digits than its factorization.

75475928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 873 counting only the distinct ones).

The product of its digits is 705600, while the sum is 47.

The square root of 75475928 is about 8687.6883001176. The cubic root of 75475928 is about 422.6064818037.

The spelling of 75475928 in words is "seventy-five million, four hundred seventy-five thousand, nine hundred twenty-eight".