75304869 has 8 divisors (see below), whose sum is σ = 100961952. Its totient is φ = 49925520.

The previous prime is 75304861. The next prime is 75304871. The reversal of 75304869 is 96840357.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75304869 - 2³ = 75304861 is a prime.

It is a super-2 number, since 2×75304869² = 11341646590214322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 75304869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75304861) 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, 68799 + ... + 69884.

It is an arithmetic number, because the mean of its divisors is an integer number (12620244).

Almost surely, 2^75304869 is an apocalyptic number.

It is an amenable number.

75304869 is a deficient number, since it is larger than the sum of its proper divisors (25657083).

75304869 is a wasteful number, since it uses less digits than its factorization.

75304869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138867.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 75304869 is about 8677.8378067350. The cubic root of 75304869 is about 422.2869745284.

The spelling of 75304869 in words is "seventy-five million, three hundred four thousand, eight hundred sixty-nine".