68931250 has 48 divisors (see below), whose sum is σ = 132882120. Its totient is φ = 26800000.

The previous prime is 68931229. The next prime is 68931257. The reversal of 68931250 is 5213986.

It can be written as a sum of positive squares in 12 ways, for example, as 63728289 + 5202961 = 7983^2 + 2281^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68931257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256116 + ... + 256384.

Almost surely, 2^68931250 is an apocalyptic number.

68931250 is a deficient number, since it is larger than the sum of its proper divisors (63950870).

68931250 is an equidigital number, since it uses as much as digits as its factorization.

68931250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 68931250 is about 8302.4845678869. The cubic root of 68931250 is about 410.0203241957.

The spelling of 68931250 in words is "sixty-eight million, nine hundred thirty-one thousand, two hundred fifty".