7842148 has 12 divisors (see below), whose sum is σ = 13774572. Its totient is φ = 3906560.

The previous prime is 7842143. The next prime is 7842167. The reversal of 7842148 is 8412487.

It can be written as a sum of positive squares in 2 ways, for example, as 3356224 + 4485924 = 1832^2 + 2118^2 .

It is a super-2 number, since 2×7842148² = 122998570507808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7842143) by changing a digit.

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, 2365 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (1147881).

Almost surely, 2^7842148 is an apocalyptic number.

It is an amenable number.

7842148 is a deficient number, since it is larger than the sum of its proper divisors (5932424).

7842148 is a wasteful number, since it uses less digits than its factorization.

7842148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7260 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 7842148 is about 2800.3835451595. The cubic root of 7842148 is about 198.6758187357.

The spelling of 7842148 in words is "seven million, eight hundred forty-two thousand, one hundred forty-eight".