68615375 has 16 divisors (see below), whose sum is σ = 86530080. Its totient is φ = 54316800.

The previous prime is 68615333. The next prime is 68615381. The reversal of 68615375 is 57351686.

It is not a de Polignac number, because 68615375 - 2⁸ = 68615119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9296 + ... + 14954.

It is an arithmetic number, because the mean of its divisors is an integer number (5408130).

Almost surely, 2^68615375 is an apocalyptic number.

68615375 is a deficient number, since it is larger than the sum of its proper divisors (17914705).

68615375 is an equidigital number, since it uses as much as digits as its factorization.

68615375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5761 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 68615375 is about 8283.4398048154. The cubic root of 68615375 is about 409.3930639039.

It can be divided in two parts, 686 and 15375, that added together give a palindrome (16061).

The spelling of 68615375 in words is "sixty-eight million, six hundred fifteen thousand, three hundred seventy-five".