68542375 has 32 divisors (see below), whose sum is σ = 94648320. Its totient is φ = 49140000.

The previous prime is 68542349. The next prime is 68542393. The reversal of 68542375 is 57324586.

It is not a de Polignac number, because 68542375 - 2¹⁹ = 68018087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108310 + ... + 108940.

It is an arithmetic number, because the mean of its divisors is an integer number (2957760).

Almost surely, 2^68542375 is an apocalyptic number.

68542375 is a deficient number, since it is larger than the sum of its proper divisors (26105945).

68542375 is a wasteful number, since it uses less digits than its factorization.

68542375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 726 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 68542375 is about 8279.0322502090. The cubic root of 68542375 is about 409.2478277552.

It can be divided in two parts, 6854 and 2375, that added together give a palindrome (9229).

The spelling of 68542375 in words is "sixty-eight million, five hundred forty-two thousand, three hundred seventy-five".