7816242 has 32 divisors (see below), whose sum is σ = 18000000. Its totient is φ = 2216448.

The previous prime is 7816219. The next prime is 7816253. The reversal of 7816242 is 2426187.

It is a super-2 number, since 2×7816242² = 122187278005128, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5634 + ... + 6882.

It is an arithmetic number, because the mean of its divisors is an integer number (562500).

Almost surely, 2^7816242 is an apocalyptic number.

7816242 is an abundant number, since it is smaller than the sum of its proper divisors (10183758).

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

7816242 is a wasteful number, since it uses less digits than its factorization.

7816242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

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

The square root of 7816242 is about 2795.7542810483. The cubic root of 7816242 is about 198.4568067313.

The spelling of 7816242 in words is "seven million, eight hundred sixteen thousand, two hundred forty-two".