75842930 has 8 divisors (see below), whose sum is σ = 136517292. Its totient is φ = 30337168.

The previous prime is 75842909. The next prime is 75842953. The reversal of 75842930 is 3924857.

It can be written as a sum of positive squares in 2 ways, for example, as 71250481 + 4592449 = 8441^2 + 2143^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3792137 + ... + 3792156.

Almost surely, 2^75842930 is an apocalyptic number.

75842930 is a deficient number, since it is larger than the sum of its proper divisors (60674362).

75842930 is a wasteful number, since it uses less digits than its factorization.

75842930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584300.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 75842930 is about 8708.7846454026. The cubic root of 75842930 is about 423.2903497943.

The spelling of 75842930 in words is "seventy-five million, eight hundred forty-two thousand, nine hundred thirty".