68099375 has 10 divisors (see below), whose sum is σ = 85097760. Its totient is φ = 54479000.

The previous prime is 68099371. The next prime is 68099387. The reversal of 68099375 is 57399086.

It is not a de Polignac number, because 68099375 - 2² = 68099371 is a prime.

It is a super-3 number, since 3×68099375³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68099371) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53855 + ... + 55104.

It is an arithmetic number, because the mean of its divisors is an integer number (8509776).

Almost surely, 2^68099375 is an apocalyptic number.

68099375 is a deficient number, since it is larger than the sum of its proper divisors (16998385).

68099375 is an equidigital number, since it uses as much as digits as its factorization.

68099375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108979 (or 108964 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 68099375 is about 8252.2345458670. The cubic root of 68099375 is about 408.3642440388.

The spelling of 68099375 in words is "sixty-eight million, ninety-nine thousand, three hundred seventy-five".