7798427 has 24 divisors (see below), whose sum is σ = 10307808. Its totient is φ = 5725440.

The previous prime is 7798421. The next prime is 7798457. The reversal of 7798427 is 7248977.

It is not a de Polignac number, because 7798427 - 2⁴ = 7798411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7798421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109802 + ... + 109872.

It is an arithmetic number, because the mean of its divisors is an integer number (429492).

Almost surely, 2^7798427 is an apocalyptic number.

7798427 is a deficient number, since it is larger than the sum of its proper divisors (2509381).

7798427 is a wasteful number, since it uses less digits than its factorization.

7798427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 108 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 7798427 is about 2792.5663823802. The cubic root of 7798427 is about 198.3059159112.

The spelling of 7798427 in words is "seven million, seven hundred ninety-eight thousand, four hundred twenty-seven".