75169828 has 12 divisors (see below), whose sum is σ = 132094732. Its totient is φ = 37428480.

The previous prime is 75169817. The next prime is 75169837. The reversal of 75169828 is 82896157.

It can be written as a sum of positive squares in 2 ways, for example, as 51724864 + 23444964 = 7192^2 + 4842^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 38025 + ... + 39952.

Almost surely, 2^75169828 is an apocalyptic number.

It is an amenable number.

75169828 is a deficient number, since it is larger than the sum of its proper divisors (56924904).

75169828 is a wasteful number, since it uses less digits than its factorization.

75169828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78222 (or 78220 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 75169828 is about 8670.0535177126. The cubic root of 75169828 is about 422.0344004361.

The spelling of 75169828 in words is "seventy-five million, one hundred sixty-nine thousand, eight hundred twenty-eight".