75304849 has 8 divisors (see below), whose sum is σ = 79821288. Its totient is φ = 70798080.

The previous prime is 75304807. The next prime is 75304861. The reversal of 75304849 is 94840357.

It can be written as a sum of positive squares in 4 ways, for example, as 46144849 + 29160000 = 6793^2 + 5400^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75304849 - 2¹³ = 75296657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75304349) 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, 19239 + ... + 22819.

It is an arithmetic number, because the mean of its divisors is an integer number (9977661).

Almost surely, 2^75304849 is an apocalyptic number.

It is an amenable number.

75304849 is a deficient number, since it is larger than the sum of its proper divisors (4516439).

75304849 is a wasteful number, since it uses less digits than its factorization.

75304849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 75304849 is about 8677.8366543742. The cubic root of 75304849 is about 422.2869371437.

The spelling of 75304849 in words is "seventy-five million, three hundred four thousand, eight hundred forty-nine".