75813841 has 4 divisors (see below), whose sum is σ = 76232884. Its totient is φ = 75394800.

The previous prime is 75813833. The next prime is 75813853. The reversal of 75813841 is 14831857.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3920400 + 71893441 = 1980^2 + 8479^2 .

It is a cyclic number.

It is not a de Polignac number, because 75813841 - 2³ = 75813833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75813841.

It is not an unprimeable number, because it can be changed into a prime (75813811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209250 + ... + 209611.

It is an arithmetic number, because the mean of its divisors is an integer number (19058221).

Almost surely, 2^75813841 is an apocalyptic number.

It is an amenable number.

75813841 is a deficient number, since it is larger than the sum of its proper divisors (419043).

75813841 is a wasteful number, since it uses less digits than its factorization.

75813841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419042.

The product of its digits is 26880, while the sum is 37.

The square root of 75813841 is about 8707.1143899687. The cubic root of 75813841 is about 423.2362262369.

The spelling of 75813841 in words is "seventy-five million, eight hundred thirteen thousand, eight hundred forty-one".