68020375 has 16 divisors (see below), whose sum is σ = 85127328. Its totient is φ = 54264000.

The previous prime is 68020373. The next prime is 68020391. The reversal of 68020375 is 57302086.

It is not a de Polignac number, because 68020375 - 2¹ = 68020373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68020373) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 70899 + ... + 71851.

It is an arithmetic number, because the mean of its divisors is an integer number (5320458).

Almost surely, 2^68020375 is an apocalyptic number.

68020375 is a deficient number, since it is larger than the sum of its proper divisors (17106953).

68020375 is an equidigital number, since it uses as much as digits as its factorization.

68020375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 68020375 is about 8247.4465745466. The cubic root of 68020375 is about 408.2062726515.

The spelling of 68020375 in words is "sixty-eight million, twenty thousand, three hundred seventy-five".