7370728 has 16 divisors (see below), whose sum is σ = 14114880. Its totient is φ = 3606768.

The previous prime is 7370719. The next prime is 7370731. The reversal of 7370728 is 8270737.

It is a junction number, because it is equal to n+sod(n) for n = 7370693 and 7370702.

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, 9426 + ... + 10177.

It is an arithmetic number, because the mean of its divisors is an integer number (882180).

Almost surely, 2^7370728 is an apocalyptic number.

It is an amenable number.

7370728 is a deficient number, since it is larger than the sum of its proper divisors (6744152).

7370728 is a wasteful number, since it uses less digits than its factorization.

7370728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19656 (or 19652 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 7370728 is about 2714.9084699120. The cubic root of 7370728 is about 194.6122296233.

Subtracting 7370728 from its reverse (8270737), we obtain a palindrome (900009).

The spelling of 7370728 in words is "seven million, three hundred seventy thousand, seven hundred twenty-eight".