69428268 has 72 divisors (see below), whose sum is σ = 216009248. Its totient is φ = 18309888.

The previous prime is 69428267. The next prime is 69428269. The reversal of 69428268 is 86282496.

It is an interprime number because it is at equal distance from previous prime (69428267) and next prime (69428269).

It is not an unprimeable number, because it can be changed into a prime (69428263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7321 + ... + 13872.

Almost surely, 2^69428268 is an apocalyptic number.

It is an amenable number.

69428268 is an abundant number, since it is smaller than the sum of its proper divisors (146580980).

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

69428268 is a wasteful number, since it uses less digits than its factorization.

69428268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21223 (or 21218 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 69428268 is about 8332.3626901378. The cubic root of 69428268 is about 411.0034276092.

It can be divided in two parts, 69428 and 268, that added together give a palindrome (69696).

The spelling of 69428268 in words is "sixty-nine million, four hundred twenty-eight thousand, two hundred sixty-eight".