68745375 has 32 divisors (see below), whose sum is σ = 127108800. Its totient is φ = 36662400.

The previous prime is 68745359. The next prime is 68745377. The reversal of 68745375 is 57354786.

It is not a de Polignac number, because 68745375 - 2⁴ = 68745359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68745375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68745377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6810 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^68745375 is an apocalyptic number.

68745375 is a deficient number, since it is larger than the sum of its proper divisors (58363425).

68745375 is a wasteful number, since it uses less digits than its factorization.

68745375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20393 (or 20377 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 68745375 is about 8291.2830732041. The cubic root of 68745375 is about 409.6514487649.

The spelling of 68745375 in words is "sixty-eight million, seven hundred forty-five thousand, three hundred seventy-five".