68810450 has 24 divisors (see below), whose sum is σ = 128787888. Its totient is φ = 27352080.

The previous prime is 68810429. The next prime is 68810453. The reversal of 68810450 is 5401886.

It is not an unprimeable number, because it can be changed into a prime (68810453) 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, 3929 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (5366162).

Almost surely, 2^68810450 is an apocalyptic number.

68810450 is a deficient number, since it is larger than the sum of its proper divisors (59977438).

68810450 is a wasteful number, since it uses less digits than its factorization.

68810450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618 (or 8613 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 68810450 is about 8295.2064470994. The cubic root of 68810450 is about 409.7806679347.

The spelling of 68810450 in words is "sixty-eight million, eight hundred ten thousand, four hundred fifty".