68197206 has 32 divisors (see below), whose sum is σ = 170051328. Its totient is φ = 17713440.

The previous prime is 68197201. The next prime is 68197211. The reversal of 68197206 is 60279186.

It is an interprime number because it is at equal distance from previous prime (68197201) and next prime (68197211).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68197201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 73345 + ... + 74268.

It is an arithmetic number, because the mean of its divisors is an integer number (5314104).

Almost surely, 2^68197206 is an apocalyptic number.

68197206 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68197206 is an abundant number, since it is smaller than the sum of its proper divisors (101854122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68197206 is a wasteful number, since it uses less digits than its factorization.

68197206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147636.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 68197206 is about 8258.1599645442. The cubic root of 68197206 is about 408.5597013719.

The spelling of 68197206 in words is "sixty-eight million, one hundred ninety-seven thousand, two hundred six".