75838913 has 4 divisors (see below), whose sum is σ = 76417968. Its totient is φ = 75259860.

The previous prime is 75838891. The next prime is 75838949. The reversal of 75838913 is 31983857.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75838913 - 2¹⁰ = 75837889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75838963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289331 + ... + 289592.

It is an arithmetic number, because the mean of its divisors is an integer number (19104492).

Almost surely, 2^75838913 is an apocalyptic number.

It is an amenable number.

75838913 is a deficient number, since it is larger than the sum of its proper divisors (579055).

75838913 is a wasteful number, since it uses less digits than its factorization.

75838913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579054.

The product of its digits is 181440, while the sum is 44.

The square root of 75838913 is about 8708.5540131528. The cubic root of 75838913 is about 423.2828765099.

The spelling of 75838913 in words is "seventy-five million, eight hundred thirty-eight thousand, nine hundred thirteen".