68611250 has 40 divisors (see below), whose sum is σ = 129895920. Its totient is φ = 27170000.

The previous prime is 68611247. The next prime is 68611253. The reversal of 68611250 is 5211686.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68611247) and next prime (68611253).

It is not an unprimeable number, because it can be changed into a prime (68611253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 163541 + ... + 163959.

It is an arithmetic number, because the mean of its divisors is an integer number (3247398).

Almost surely, 2^68611250 is an apocalyptic number.

68611250 is a deficient number, since it is larger than the sum of its proper divisors (61284670).

68611250 is a wasteful number, since it uses less digits than its factorization.

68611250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 68611250 is about 8283.1908103098. The cubic root of 68611250 is about 409.3848598134.

The spelling of 68611250 in words is "sixty-eight million, six hundred eleven thousand, two hundred fifty".