7126842 has 32 divisors (see below), whose sum is σ = 15256512. Its totient is φ = 2211584.

The previous prime is 7126841. The next prime is 7126871. The reversal of 7126842 is 2486217.

It is not an unprimeable number, because it can be changed into a prime (7126841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10588 + ... + 11240.

It is an arithmetic number, because the mean of its divisors is an integer number (476766).

Almost surely, 2^7126842 is an apocalyptic number.

7126842 is an abundant number, since it is smaller than the sum of its proper divisors (8129670).

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

7126842 is a wasteful number, since it uses less digits than its factorization.

7126842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its digits is 5376, while the sum is 30.

The square root of 7126842 is about 2669.6145789233. The cubic root of 7126842 is about 192.4416374487.

The spelling of 7126842 in words is "seven million, one hundred twenty-six thousand, eight hundred forty-two".