7830642 has 16 divisors (see below), whose sum is σ = 16582752. Its totient is φ = 2456640.

The previous prime is 7830619. The next prime is 7830653. The reversal of 7830642 is 2460387.

It is a super-2 number, since 2×7830642² = 122637908264328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38284 + ... + 38487.

It is an arithmetic number, because the mean of its divisors is an integer number (1036422).

Almost surely, 2^7830642 is an apocalyptic number.

7830642 is an abundant number, since it is smaller than the sum of its proper divisors (8752110).

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

7830642 is a wasteful number, since it uses less digits than its factorization.

7830642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76793.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7830642 is about 2798.3284296165. The cubic root of 7830642 is about 198.5786054521.

The spelling of 7830642 in words is "seven million, eight hundred thirty thousand, six hundred forty-two".