68197965 has 64 divisors (see below), whose sum is σ = 129330432. Its totient is φ = 30310400.

The previous prime is 68197951. The next prime is 68197981. The reversal of 68197965 is 56979186.

It is not a de Polignac number, because 68197965 - 2⁴ = 68197949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114709 + ... + 115301.

It is an arithmetic number, because the mean of its divisors is an integer number (2020788).

Almost surely, 2^68197965 is an apocalyptic number.

It is an amenable number.

68197965 is a deficient number, since it is larger than the sum of its proper divisors (61132467).

68197965 is a wasteful number, since it uses less digits than its factorization.

68197965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 816480, while the sum is 51.

The square root of 68197965 is about 8258.2059189633. The cubic root of 68197965 is about 408.5612170531.

The spelling of 68197965 in words is "sixty-eight million, one hundred ninety-seven thousand, nine hundred sixty-five".