68270197 has 4 divisors (see below), whose sum is σ = 69857920. Its totient is φ = 66682476.

The previous prime is 68270183. The next prime is 68270219. The reversal of 68270197 is 79107286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68270197 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 (68270107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793797 + ... + 793882.

It is an arithmetic number, because the mean of its divisors is an integer number (17464480).

Almost surely, 2^68270197 is an apocalyptic number.

It is an amenable number.

68270197 is a deficient number, since it is larger than the sum of its proper divisors (1587723).

68270197 is a wasteful number, since it uses less digits than its factorization.

68270197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587722.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 68270197 is about 8262.5781085567. The cubic root of 68270197 is about 408.7054089461.

The spelling of 68270197 in words is "sixty-eight million, two hundred seventy thousand, one hundred ninety-seven".