75040312 has 16 divisors (see below), whose sum is σ = 148977360. Its totient is φ = 35313024.

The previous prime is 75040241. The next prime is 75040327. The reversal of 75040312 is 21304057.

It is a congruent 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, 275748 + ... + 276019.

It is an arithmetic number, because the mean of its divisors is an integer number (9311085).

Almost surely, 2^75040312 is an apocalyptic number.

It is an amenable number.

75040312 is a deficient number, since it is larger than the sum of its proper divisors (73937048).

75040312 is a wasteful number, since it uses less digits than its factorization.

75040312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551790 (or 551786 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 75040312 is about 8662.5811395911. The cubic root of 75040312 is about 421.7918756903.

Adding to 75040312 its reverse (21304057), we get a palindrome (96344369).

The spelling of 75040312 in words is "seventy-five million, forty thousand, three hundred twelve".