68212528 has 10 divisors (see below), whose sum is σ = 132161804. Its totient is φ = 34106256.

The previous prime is 68212523. The next prime is 68212531. The reversal of 68212528 is 82521286.

It is a junction number, because it is equal to n+sod(n) for n = 68212493 and 68212502.

It is not an unprimeable number, because it can be changed into a prime (68212523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2131626 + ... + 2131657.

Almost surely, 2^68212528 is an apocalyptic number.

It is an amenable number.

68212528 is a deficient number, since it is larger than the sum of its proper divisors (63949276).

68212528 is a wasteful number, since it uses less digits than its factorization.

68212528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263291 (or 4263285 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 68212528 is about 8259.0876009399. The cubic root of 68212528 is about 408.5902963839.

The spelling of 68212528 in words is "sixty-eight million, two hundred twelve thousand, five hundred twenty-eight".