75133742 has 8 divisors (see below), whose sum is σ = 113285136. Its totient is φ = 37372032.

The previous prime is 75133741. The next prime is 75133753. The reversal of 75133742 is 24733157.

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

It is a junction number, because it is equal to n+sod(n) for n = 75133699 and 75133708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75133741) 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, 96938 + ... + 97709.

It is an arithmetic number, because the mean of its divisors is an integer number (14160642).

Almost surely, 2^75133742 is an apocalyptic number.

75133742 is a deficient number, since it is larger than the sum of its proper divisors (38151394).

75133742 is a wasteful number, since it uses less digits than its factorization.

75133742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194842.

The product of its digits is 17640, while the sum is 32.

The square root of 75133742 is about 8667.9721965405. The cubic root of 75133742 is about 421.9668557334.

Adding to 75133742 its reverse (24733157), we get a palindrome (99866899).

The spelling of 75133742 in words is "seventy-five million, one hundred thirty-three thousand, seven hundred forty-two".