68636028 has 24 divisors (see below), whose sum is σ = 160327888. Its totient is φ = 22853376.

The previous prime is 68636023. The next prime is 68636033. The reversal of 68636028 is 82063686.

It is an interprime number because it is at equal distance from previous prime (68636023) and next prime (68636033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68636023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10500 + ... + 15732.

Almost surely, 2^68636028 is an apocalyptic number.

It is an amenable number.

68636028 is an abundant number, since it is smaller than the sum of its proper divisors (91691860).

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

68636028 is a wasteful number, since it uses less digits than its factorization.

68636028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6331 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68636028 is about 8284.6863549564. The cubic root of 68636028 is about 409.4341351009.

The spelling of 68636028 in words is "sixty-eight million, six hundred thirty-six thousand, twenty-eight".