7628 has 6 divisors (see below), whose sum is σ = 13356. Its totient is φ = 3812.

The previous prime is 7621. The next prime is 7639. The reversal of 7628 is 8267.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7621) by changing a digit.

7628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (2226).

2⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

7628 is a deficient number, since it is larger than the sum of its proper divisors (5728).

7628 is a wasteful number, since it uses less digits than its factorization.

7628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 7628 is about 87.3384222436. The cubic root of 7628 is about 19.6850668867.

The spelling of 7628 in words is "seven thousand, six hundred twenty-eight".