7158942 has 80 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 1991952.

The previous prime is 7158937. The next prime is 7158947. The reversal of 7158942 is 2498517.

7158942 is a `hidden beast` number, since 71 + 589 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (7158937) and next prime (7158947).

It is a junction number, because it is equal to n+sod(n) for n = 7158897 and 7158906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7158947) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66853 + ... + 66959.

It is an arithmetic number, because the mean of its divisors is an integer number (235224).

Almost surely, 2^7158942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7158942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9408960).

7158942 is an abundant number, since it is smaller than the sum of its proper divisors (11658978).

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

7158942 is a wasteful number, since it uses less digits than its factorization.

7158942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 178 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7158942 is about 2675.6199281662. The cubic root of 7158942 is about 192.7301301264.

It can be divided in two parts, 71589 and 42, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 7158942 in words is "seven million, one hundred fifty-eight thousand, nine hundred forty-two".