7994142 has 48 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 2431296.

The previous prime is 7994137. The next prime is 7994153. The reversal of 7994142 is 2414997.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7994097 and 7994106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29584 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^7994142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7994142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9434880).

7994142 is an abundant number, since it is smaller than the sum of its proper divisors (10875618).

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

7994142 is a wasteful number, since it uses less digits than its factorization.

7994142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7994142 is about 2827.3913772239. The cubic root of 7994142 is about 199.9511714131.

The spelling of 7994142 in words is "seven million, nine hundred ninety-four thousand, one hundred forty-two".