75819113 has 4 divisors (see below), whose sum is σ = 75968580. Its totient is φ = 75669648.

The previous prime is 75819091. The next prime is 75819181. The reversal of 75819113 is 31191857.

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 45657049 + 30162064 = 6757^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 75819113 - 2⁸ = 75818857 is a prime.

It is a super-2 number, since 2×75819113² = 11497075792213538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75819313) 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, 73970 + ... + 74987.

It is an arithmetic number, because the mean of its divisors is an integer number (18992145).

Almost surely, 2^75819113 is an apocalyptic number.

It is an amenable number.

75819113 is a deficient number, since it is larger than the sum of its proper divisors (149467).

75819113 is a wasteful number, since it uses less digits than its factorization.

75819113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149466.

The product of its digits is 7560, while the sum is 35.

The square root of 75819113 is about 8707.4171256464. The cubic root of 75819113 is about 423.2460364494.

The spelling of 75819113 in words is "seventy-five million, eight hundred nineteen thousand, one hundred thirteen".