75133342 has 4 divisors (see below), whose sum is σ = 112700016. Its totient is φ = 37566670.

The previous prime is 75133321. The next prime is 75133369. The reversal of 75133342 is 24333157.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 75133342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18783334 + ... + 18783337.

It is an arithmetic number, because the mean of its divisors is an integer number (28175004).

Almost surely, 2^75133342 is an apocalyptic number.

75133342 is a deficient number, since it is larger than the sum of its proper divisors (37566674).

75133342 is a wasteful number, since it uses less digits than its factorization.

75133342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37566673.

The product of its digits is 7560, while the sum is 28.

The square root of 75133342 is about 8667.9491230625. The cubic root of 75133342 is about 421.9661069041.

Adding to 75133342 its reverse (24333157), we get a palindrome (99466499).

The spelling of 75133342 in words is "seventy-five million, one hundred thirty-three thousand, three hundred forty-two".