75252312 has 48 divisors (see below), whose sum is σ = 214539000. Its totient is φ = 23763456.

The previous prime is 75252299. The next prime is 75252341. The reversal of 75252312 is 21325257.

It is a super-2 number, since 2×75252312² = 11325820922690688, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 26137 + ... + 28872.

Almost surely, 2^75252312 is an apocalyptic number.

75252312 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

75252312 is an abundant number, since it is smaller than the sum of its proper divisors (139286688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75252312 is a wasteful number, since it uses less digits than its factorization.

75252312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55040 (or 55033 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 75252312 is about 8674.8090468897. The cubic root of 75252312 is about 422.1887104007.

Adding to 75252312 its reverse (21325257), we get a palindrome (96577569).

The spelling of 75252312 in words is "seventy-five million, two hundred fifty-two thousand, three hundred twelve".