7642842 has 16 divisors (see below), whose sum is σ = 15360672. Its totient is φ = 2535120.

The previous prime is 7642837. The next prime is 7642847. The reversal of 7642842 is 2482467.

It is an interprime number because it is at equal distance from previous prime (7642837) and next prime (7642847).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (7642847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753 + ... + 4284.

It is an arithmetic number, because the mean of its divisors is an integer number (960042).

Almost surely, 2^7642842 is an apocalyptic number.

7642842 is an abundant number, since it is smaller than the sum of its proper divisors (7717830).

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

7642842 is a wasteful number, since it uses less digits than its factorization.

7642842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253.

The product of its digits is 21504, while the sum is 33.

The square root of 7642842 is about 2764.5690441731. The cubic root of 7642842 is about 196.9782586570.

The spelling of 7642842 in words is "seven million, six hundred forty-two thousand, eight hundred forty-two".