75143201 has 8 divisors (see below), whose sum is σ = 87972864. Its totient is φ = 62837280.

The previous prime is 75143171. The next prime is 75143209. The reversal of 75143201 is 10234157.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75143201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75143209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 130625 + ... + 131198.

It is an arithmetic number, because the mean of its divisors is an integer number (10996608).

Almost surely, 2^75143201 is an apocalyptic number.

It is an amenable number.

75143201 is a deficient number, since it is larger than the sum of its proper divisors (12829663).

75143201 is a wasteful number, since it uses less digits than its factorization.

75143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261871.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 75143201 is about 8668.5178087145. The cubic root of 75143201 is about 421.9845628997.

Adding to 75143201 its reverse (10234157), we get a palindrome (85377358).

The spelling of 75143201 in words is "seventy-five million, one hundred forty-three thousand, two hundred one".