68751250 has 20 divisors (see below), whose sum is σ = 128869686. Its totient is φ = 27500000.

The previous prime is 68751233. The next prime is 68751259. The reversal of 68751250 is 5215786.

It can be written as a sum of positive squares in 5 ways, for example, as 3286969 + 65464281 = 1813^2 + 8091^2 .

It is not an unprimeable number, because it can be changed into a prime (68751259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26251 + ... + 28750.

Almost surely, 2^68751250 is an apocalyptic number.

68751250 is a deficient number, since it is larger than the sum of its proper divisors (60118436).

68751250 is an equidigital number, since it uses as much as digits as its factorization.

68751250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55023 (or 55008 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 68751250 is about 8291.6373533820. The cubic root of 68751250 is about 409.6631180770.

The spelling of 68751250 in words is "sixty-eight million, seven hundred fifty-one thousand, two hundred fifty".