75838394 has 8 divisors (see below), whose sum is σ = 120449268. Its totient is φ = 35688640.

The previous prime is 75838361. The next prime is 75838447. The reversal of 75838394 is 49383857.

It can be written as a sum of positive squares in 2 ways, for example, as 72471169 + 3367225 = 8513^2 + 1835^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115237 + ... + 1115304.

Almost surely, 2^75838394 is an apocalyptic number.

75838394 is a deficient number, since it is larger than the sum of its proper divisors (44610874).

75838394 is a wasteful number, since it uses less digits than its factorization.

75838394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230560.

The product of its digits is 725760, while the sum is 47.

The square root of 75838394 is about 8708.5242148139. The cubic root of 75838394 is about 423.2819109356.

The spelling of 75838394 in words is "seventy-five million, eight hundred thirty-eight thousand, three hundred ninety-four".