75242113 has 8 divisors (see below), whose sum is σ = 76528800. Its totient is φ = 73965408.

The previous prime is 75242087. The next prime is 75242137. The reversal of 75242113 is 31124257.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-75242113 is a prime.

It is a super-2 number, since 2×75242113² = 11322751137409538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75242173) 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 7 ways as a sum of consecutive naturals, for example, 13570 + ... + 18292.

It is an arithmetic number, because the mean of its divisors is an integer number (9566100).

Almost surely, 2^75242113 is an apocalyptic number.

It is an amenable number.

75242113 is a deficient number, since it is larger than the sum of its proper divisors (1286687).

75242113 is a wasteful number, since it uses less digits than its factorization.

75242113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991.

The product of its digits is 1680, while the sum is 25.

The square root of 75242113 is about 8674.2211754140. The cubic root of 75242113 is about 422.1696363590.

The spelling of 75242113 in words is "seventy-five million, two hundred forty-two thousand, one hundred thirteen".