7834642 has 8 divisors (see below), whose sum is σ = 11813436. Its totient is φ = 3896832.

The previous prime is 7834633. The next prime is 7834663. The reversal of 7834642 is 2464387.

It can be written as a sum of positive squares in 2 ways, for example, as 7667361 + 167281 = 2769^2 + 409^2 .

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

It is a super-2 number, since 2×7834642² = 122763230536328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7834598 and 7834607.

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 3 ways as a sum of consecutive naturals, for example, 9763 + ... + 10534.

Almost surely, 2^7834642 is an apocalyptic number.

7834642 is a deficient number, since it is larger than the sum of its proper divisors (3978794).

7834642 is a wasteful number, since it uses less digits than its factorization.

7834642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20492.

The product of its digits is 32256, while the sum is 34.

The square root of 7834642 is about 2799.0430507586. The cubic root of 7834642 is about 198.6124119272.

The spelling of 7834642 in words is "seven million, eight hundred thirty-four thousand, six hundred forty-two".