68488755 has 8 divisors (see below), whose sum is σ = 109582032. Its totient is φ = 36527328.

The previous prime is 68488753. The next prime is 68488757. The reversal of 68488755 is 55788486.

It is an interprime number because it is at equal distance from previous prime (68488753) and next prime (68488757).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68488755 - 2¹ = 68488753 is a prime.

It is a super-2 number, since 2×68488755² = 9381419122900050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68488698 and 68488707.

It is not an unprimeable number, because it can be changed into a prime (68488751) 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 7 ways as a sum of consecutive naturals, for example, 2282944 + ... + 2282973.

It is an arithmetic number, because the mean of its divisors is an integer number (13697754).

Almost surely, 2^68488755 is an apocalyptic number.

68488755 is a deficient number, since it is larger than the sum of its proper divisors (41093277).

68488755 is a wasteful number, since it uses less digits than its factorization.

68488755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565925.

The product of its digits is 2150400, while the sum is 51.

The square root of 68488755 is about 8275.7933154472. The cubic root of 68488755 is about 409.1410831165.

The spelling of 68488755 in words is "sixty-eight million, four hundred eighty-eight thousand, seven hundred fifty-five".