7273828 has 6 divisors (see below), whose sum is σ = 12729206. Its totient is φ = 3636912.

The previous prime is 7273817. The next prime is 7273829. The reversal of 7273828 is 8283727.

It can be written as a sum of positive squares in only one way, i.e., 6853924 + 419904 = 2618^2 + 648^2 .

It is not an unprimeable number, because it can be changed into a prime (7273829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 909225 + ... + 909232.

Almost surely, 2^7273828 is an apocalyptic number.

It is an amenable number.

7273828 is a deficient number, since it is larger than the sum of its proper divisors (5455378).

7273828 is a wasteful number, since it uses less digits than its factorization.

7273828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818461 (or 1818459 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 7273828 is about 2697.0035224300. The cubic root of 7273828 is about 193.7556352159.

The spelling of 7273828 in words is "seven million, two hundred seventy-three thousand, eight hundred twenty-eight".