68357385 has 16 divisors (see below), whose sum is σ = 121524480. Its totient is φ = 36457200.

The previous prime is 68357371. The next prime is 68357413. The reversal of 68357385 is 58375386.

It is not a de Polignac number, because 68357385 - 2¹² = 68353289 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68357385.

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, 253041 + ... + 253310.

It is an arithmetic number, because the mean of its divisors is an integer number (7595280).

Almost surely, 2^68357385 is an apocalyptic number.

It is an amenable number.

68357385 is a deficient number, since it is larger than the sum of its proper divisors (53167095).

68357385 is a wasteful number, since it uses less digits than its factorization.

68357385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506365 (or 506359 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 68357385 is about 8267.8525023128. The cubic root of 68357385 is about 408.8793210874.

The spelling of 68357385 in words is "sixty-eight million, three hundred fifty-seven thousand, three hundred eighty-five".