7725628 has 12 divisors (see below), whose sum is σ = 14231560. Its totient is φ = 3659472.

The previous prime is 7725611. The next prime is 7725649. The reversal of 7725628 is 8265277.

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, 50751 + ... + 50902.

Almost surely, 2^7725628 is an apocalyptic number.

It is an amenable number.

7725628 is a deficient number, since it is larger than the sum of its proper divisors (6505932).

7725628 is a wasteful number, since it uses less digits than its factorization.

7725628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101676 (or 101674 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 7725628 is about 2779.5013941353. The cubic root of 7725628 is about 197.6869180579.

It can be divided in two parts, 77256 and 28, that added together give a square (77284 = 278²).

The spelling of 7725628 in words is "seven million, seven hundred twenty-five thousand, six hundred twenty-eight".