75135742 has 8 divisors (see below), whose sum is σ = 122949432. Its totient is φ = 34152600.

The previous prime is 75135737. The next prime is 75135763. The reversal of 75135742 is 24753157.

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 = 75135698 and 75135707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707609 + ... + 1707652.

It is an arithmetic number, because the mean of its divisors is an integer number (15368679).

Almost surely, 2^75135742 is an apocalyptic number.

75135742 is a deficient number, since it is larger than the sum of its proper divisors (47813690).

75135742 is a wasteful number, since it uses less digits than its factorization.

75135742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415274.

The product of its digits is 29400, while the sum is 34.

The square root of 75135742 is about 8668.0875630095. The cubic root of 75135742 is about 421.9705998400.

Adding to 75135742 its reverse (24753157), we get a palindrome (99888899).

The spelling of 75135742 in words is "seventy-five million, one hundred thirty-five thousand, seven hundred forty-two".