7428841 has 6 divisors (see below), whose sum is σ = 8641770. Its totient is φ = 6367536.

The previous prime is 7428833. The next prime is 7428859. The reversal of 7428841 is 1488247.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 648025 = 2604^2 + 805^2 .

It is not a de Polignac number, because 7428841 - 2³ = 7428833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7428797 and 7428806.

It is not an unprimeable number, because it can be changed into a prime (7428821) 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 5 ways as a sum of consecutive naturals, for example, 75756 + ... + 75853.

It is an arithmetic number, because the mean of its divisors is an integer number (1440295).

Almost surely, 2^7428841 is an apocalyptic number.

It is an amenable number.

7428841 is a deficient number, since it is larger than the sum of its proper divisors (1212929).

7428841 is a wasteful number, since it uses less digits than its factorization.

7428841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151623 (or 151616 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 7428841 is about 2725.5900278655. The cubic root of 7428841 is about 195.1223514424.

The spelling of 7428841 in words is "seven million, four hundred twenty-eight thousand, eight hundred forty-one".