75224413 has 4 divisors (see below), whose sum is σ = 82063008. Its totient is φ = 68385820.

The previous prime is 75224399. The next prime is 75224419. The reversal of 75224413 is 31442257.

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 75224413 - 2¹⁷ = 75093341 is a prime.

It is a super-2 number, since 2×75224413² = 11317424622389138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75224419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3419281 + ... + 3419302.

It is an arithmetic number, because the mean of its divisors is an integer number (20515752).

Almost surely, 2^75224413 is an apocalyptic number.

It is an amenable number.

75224413 is a deficient number, since it is larger than the sum of its proper divisors (6838595).

75224413 is a wasteful number, since it uses less digits than its factorization.

75224413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838594.

The product of its digits is 6720, while the sum is 28.

The square root of 75224413 is about 8673.2008508970. The cubic root of 75224413 is about 422.1365299497.

It can be divided in two parts, 752244 and 13, that added together give a palindrome (752257).

The spelling of 75224413 in words is "seventy-five million, two hundred twenty-four thousand, four hundred thirteen".