68528358 has 24 divisors (see below), whose sum is σ = 148717296. Its totient is φ = 22806000.

The previous prime is 68528357. The next prime is 68528371. The reversal of 68528358 is 85382586.

It is a happy number.

It is a super-2 number, since 2×68528358² = 9392271700352328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68528351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9903 + ... + 15333.

It is an arithmetic number, because the mean of its divisors is an integer number (6196554).

Almost surely, 2^68528358 is an apocalyptic number.

68528358 is an abundant number, since it is smaller than the sum of its proper divisors (80188938).

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

68528358 is a wasteful number, since it uses less digits than its factorization.

68528358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140 (or 6137 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 68528358 is about 8278.1856707856. The cubic root of 68528358 is about 409.2199286253.

It can be divided in two parts, 68528 and 358, that added together give a palindrome (68886).

The spelling of 68528358 in words is "sixty-eight million, five hundred twenty-eight thousand, three hundred fifty-eight".