68751385 has 8 divisors (see below), whose sum is σ = 82690560. Its totient is φ = 54875184.

The previous prime is 68751379. The next prime is 68751391. The reversal of 68751385 is 58315786.

It is an interprime number because it is at equal distance from previous prime (68751379) and next prime (68751391).

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

It is a cyclic number.

It is not a de Polignac number, because 68751385 - 2³ = 68751377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13305 + ... + 17734.

It is an arithmetic number, because the mean of its divisors is an integer number (10336320).

Almost surely, 2^68751385 is an apocalyptic number.

It is an amenable number.

68751385 is a deficient number, since it is larger than the sum of its proper divisors (13939175).

68751385 is a wasteful number, since it uses less digits than its factorization.

68751385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31487.

The product of its digits is 201600, while the sum is 43.

The square root of 68751385 is about 8291.6454941103. The cubic root of 68751385 is about 409.6633862151.

The spelling of 68751385 in words is "sixty-eight million, seven hundred fifty-one thousand, three hundred eighty-five".