68755245 has 32 divisors (see below), whose sum is σ = 119677824. Its totient is φ = 33504000.

The previous prime is 68755229. The next prime is 68755261. The reversal of 68755245 is 54255786.

It is an interprime number because it is at equal distance from previous prime (68755229) and next prime (68755261).

It is not a de Polignac number, because 68755245 - 2⁴ = 68755229 is a prime.

It is a super-3 number, since 3×68755245³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68755197 and 68755206.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 17950 + ... + 21440.

It is an arithmetic number, because the mean of its divisors is an integer number (3739932).

Almost surely, 2^68755245 is an apocalyptic number.

68755245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68755245 is a deficient number, since it is larger than the sum of its proper divisors (50922579).

68755245 is a wasteful number, since it uses less digits than its factorization.

68755245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613.

The product of its digits is 336000, while the sum is 42.

The square root of 68755245 is about 8291.8782552568. The cubic root of 68755245 is about 409.6710528295.

The spelling of 68755245 in words is "sixty-eight million, seven hundred fifty-five thousand, two hundred forty-five".