7799643 has 12 divisors (see below), whose sum is σ = 11451648. Its totient is φ = 5114160.

The previous prime is 7799621. The next prime is 7799653. The reversal of 7799643 is 3469977.

It is not a de Polignac number, because 7799643 - 2⁵ = 7799611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7799653) 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 11 ways as a sum of consecutive naturals, for example, 6555 + ... + 7652.

It is an arithmetic number, because the mean of its divisors is an integer number (954304).

Almost surely, 2^7799643 is an apocalyptic number.

7799643 is a deficient number, since it is larger than the sum of its proper divisors (3652005).

7799643 is a wasteful number, since it uses less digits than its factorization.

7799643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274 (or 14271 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 7799643 is about 2792.7840947699. The cubic root of 7799643 is about 198.3162225821.

The spelling of 7799643 in words is "seven million, seven hundred ninety-nine thousand, six hundred forty-three".