7142842 has 8 divisors (see below), whose sum is σ = 12244896. Its totient is φ = 3061212.

The previous prime is 7142833. The next prime is 7142851. The reversal of 7142842 is 2482417.

It is an interprime number because it is at equal distance from previous prime (7142833) and next prime (7142851).

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

It is a self number, because there is not a number n which added to its sum of digits gives 7142842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255088 + ... + 255115.

It is an arithmetic number, because the mean of its divisors is an integer number (1530612).

Almost surely, 2^7142842 is an apocalyptic number.

7142842 is a deficient number, since it is larger than the sum of its proper divisors (5102054).

7142842 is a wasteful number, since it uses less digits than its factorization.

7142842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510212.

The product of its digits is 3584, while the sum is 28.

The square root of 7142842 is about 2672.6095861536. The cubic root of 7142842 is about 192.5855424614.

The spelling of 7142842 in words is "seven million, one hundred forty-two thousand, eight hundred forty-two".