75805413 has 4 divisors (see below), whose sum is σ = 101073888. Its totient is φ = 50536940.

The previous prime is 75805399. The next prime is 75805427. The reversal of 75805413 is 31450857.

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 an interprime number because it is at equal distance from previous prime (75805399) and next prime (75805427).

It is a cyclic number.

It is not a de Polignac number, because 75805413 - 2⁶ = 75805349 is a prime.

It is a super-3 number, since 3×75805413³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75805453) 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, 12634233 + ... + 12634238.

It is an arithmetic number, because the mean of its divisors is an integer number (25268472).

Almost surely, 2^75805413 is an apocalyptic number.

It is an amenable number.

75805413 is a deficient number, since it is larger than the sum of its proper divisors (25268475).

75805413 is a wasteful number, since it uses less digits than its factorization.

75805413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25268474.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 75805413 is about 8706.6304044676. The cubic root of 75805413 is about 423.2205423501.

The spelling of 75805413 in words is "seventy-five million, eight hundred five thousand, four hundred thirteen".