7142814 has 48 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 2013264.

The previous prime is 7142809. The next prime is 7142819. The reversal of 7142814 is 4182417.

It is an interprime number because it is at equal distance from previous prime (7142809) and next prime (7142819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10117 + ... + 10799.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

Almost surely, 2^7142814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8963136).

7142814 is an abundant number, since it is smaller than the sum of its proper divisors (10783458).

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

7142814 is a wasteful number, since it uses less digits than its factorization.

7142814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781 (or 778 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 7142814 is about 2672.6043478226. The cubic root of 7142814 is about 192.5852908155.

The spelling of 7142814 in words is "seven million, one hundred forty-two thousand, eight hundred fourteen".