75143625 has 16 divisors (see below), whose sum is σ = 125039616. Its totient is φ = 40076400.

The previous prime is 75143623. The next prime is 75143657. The reversal of 75143625 is 52634157.

It is not a de Polignac number, because 75143625 - 2¹ = 75143623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75143623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99817 + ... + 100566.

It is an arithmetic number, because the mean of its divisors is an integer number (7814976).

Almost surely, 2^75143625 is an apocalyptic number.

75143625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

75143625 is a deficient number, since it is larger than the sum of its proper divisors (49895991).

75143625 is a wasteful number, since it uses less digits than its factorization.

75143625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200401 (or 200391 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 75143625 is about 8668.5422649947. The cubic root of 75143625 is about 421.9853565893.

The spelling of 75143625 in words is "seventy-five million, one hundred forty-three thousand, six hundred twenty-five".