7142875 has 8 divisors (see below), whose sum is σ = 8914464. Its totient is φ = 5714200.

The previous prime is 7142869. The next prime is 7142881. The reversal of 7142875 is 5782417.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7142869) and next prime (7142881).

It is not a de Polignac number, because 7142875 - 2¹³ = 7134683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7142875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28447 + ... + 28696.

It is an arithmetic number, because the mean of its divisors is an integer number (1114308).

Almost surely, 2^7142875 is an apocalyptic number.

7142875 is a deficient number, since it is larger than the sum of its proper divisors (1771589).

7142875 is an equidigital number, since it uses as much as digits as its factorization.

7142875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57158 (or 57148 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 7142875 is about 2672.6157598877. The cubic root of 7142875 is about 192.5858390433.

The spelling of 7142875 in words is "seven million, one hundred forty-two thousand, eight hundred seventy-five".