69628 has 18 divisors (see below), whose sum is σ = 133224. Its totient is φ = 31824.

The previous prime is 69623. The next prime is 69653. The reversal of 69628 is 82696.

It is a self number, because there is not a number n which added to its sum of digits gives 69628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625 + ... + 727.

2⁶⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

69628 is a deficient number, since it is larger than the sum of its proper divisors (63596).

69628 is a wasteful number, since it uses less digits than its factorization.

69628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 118 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 69628 is about 263.8711806924. The cubic root of 69628 is about 41.1397176654.

It can be divided in two parts, 6962 and 8, that multiplied together give a square (55696 = 236²).

The spelling of 69628 in words is "sixty-nine thousand, six hundred twenty-eight".