68898375 has 96 divisors (see below), whose sum is σ = 153089664. Its totient is φ = 29030400.

The previous prime is 68898343. The next prime is 68898391. The reversal of 68898375 is 57389886.

It is a happy number.

It is not a de Polignac number, because 68898375 - 2⁵ = 68898343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102039 + ... + 102711.

It is an arithmetic number, because the mean of its divisors is an integer number (1594684).

Almost surely, 2^68898375 is an apocalyptic number.

68898375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68898375 is the 5250-th heptagonal number.

68898375 is an abundant number, since it is smaller than the sum of its proper divisors (84191289).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68898375 is a wasteful number, since it uses less digits than its factorization.

68898375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 701 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 68898375 is about 8300.5045027396. The cubic root of 68898375 is about 409.9551309217.

The spelling of 68898375 in words is "sixty-eight million, eight hundred ninety-eight thousand, three hundred seventy-five".