7269428 has 12 divisors (see below), whose sum is σ = 12838980. Its totient is φ = 3601152.

The previous prime is 7269373. The next prime is 7269439. The reversal of 7269428 is 8249627.

It can be written as a sum of positive squares in 2 ways, for example, as 6041764 + 1227664 = 2458^2 + 1108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7269391 and 7269400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7901 + ... + 8772.

It is an arithmetic number, because the mean of its divisors is an integer number (1069915).

Almost surely, 2^7269428 is an apocalyptic number.

It is an amenable number.

7269428 is a deficient number, since it is larger than the sum of its proper divisors (5569552).

7269428 is a wasteful number, since it uses less digits than its factorization.

7269428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16786 (or 16784 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 7269428 is about 2696.1876789274. The cubic root of 7269428 is about 193.7165591956.

The spelling of 7269428 in words is "seven million, two hundred sixty-nine thousand, four hundred twenty-eight".