7842106 has 8 divisors (see below), whose sum is σ = 11775060. Its totient is φ = 3917088.

The previous prime is 7842097. The next prime is 7842119. The reversal of 7842106 is 6012487.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 600625 = 2691^2 + 775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7842106² = 122997253030472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2710 + ... + 4798.

Almost surely, 2^7842106 is an apocalyptic number.

7842106 is a deficient number, since it is larger than the sum of its proper divisors (3932954).

7842106 is a wasteful number, since it uses less digits than its factorization.

7842106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 7842106 is about 2800.3760461767. The cubic root of 7842106 is about 198.6754640540.

The spelling of 7842106 in words is "seven million, eight hundred forty-two thousand, one hundred six".