7436728 has 32 divisors (see below), whose sum is σ = 15674400. Its totient is φ = 3282048.

The previous prime is 7436719. The next prime is 7436777. The reversal of 7436728 is 8276347.

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 7 ways as a sum of consecutive naturals, for example, 838 + ... + 3946.

It is an arithmetic number, because the mean of its divisors is an integer number (489825).

Almost surely, 2^7436728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7436728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7837200).

7436728 is an abundant number, since it is smaller than the sum of its proper divisors (8237672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7436728 is a wasteful number, since it uses less digits than its factorization.

7436728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151 (or 3147 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 7436728 is about 2727.0364867379. The cubic root of 7436728 is about 195.1913790648.

The spelling of 7436728 in words is "seven million, four hundred thirty-six thousand, seven hundred twenty-eight".