7842152 has 16 divisors (see below), whose sum is σ = 15063300. Its totient is φ = 3825280.

The previous prime is 7842143. The next prime is 7842167. The reversal of 7842152 is 2512487.

It can be written as a sum of positive squares in 2 ways, for example, as 5692996 + 2149156 = 2386^2 + 1466^2 .

It is a super-2 number, since 2×7842152² = 122998695982208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11627 + ... + 12282.

Almost surely, 2^7842152 is an apocalyptic number.

It is an amenable number.

7842152 is a deficient number, since it is larger than the sum of its proper divisors (7221148).

7842152 is a wasteful number, since it uses less digits than its factorization.

7842152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956 (or 23952 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 7842152 is about 2800.3842593473. The cubic root of 7842152 is about 198.6758525148.

The spelling of 7842152 in words is "seven million, eight hundred forty-two thousand, one hundred fifty-two".