68735855 has 8 divisors (see below), whose sum is σ = 84238272. Its totient is φ = 53818528.

The previous prime is 68735833. The next prime is 68735873. The reversal of 68735855 is 55853786.

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 68735855 - 2¹⁶ = 68670319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

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, 146012 + ... + 146481.

It is an arithmetic number, because the mean of its divisors is an integer number (10529784).

Almost surely, 2^68735855 is an apocalyptic number.

68735855 is a deficient number, since it is larger than the sum of its proper divisors (15502417).

68735855 is a wasteful number, since it uses less digits than its factorization.

68735855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292545.

The product of its digits is 1008000, while the sum is 47.

The square root of 68735855 is about 8290.7089564162. The cubic root of 68735855 is about 409.6325381021.

The spelling of 68735855 in words is "sixty-eight million, seven hundred thirty-five thousand, eight hundred fifty-five".