68345272 has 16 divisors (see below), whose sum is σ = 128271240. Its totient is φ = 34139616.

The previous prime is 68345231. The next prime is 68345273. The reversal of 68345272 is 27254386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68345273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6183 + ... + 13225.

Almost surely, 2^68345272 is an apocalyptic number.

It is an amenable number.

68345272 is a deficient number, since it is larger than the sum of its proper divisors (59925968).

68345272 is a wasteful number, since it uses less digits than its factorization.

68345272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262 (or 8258 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 68345272 is about 8267.1199338101. The cubic root of 68345272 is about 408.8551683798.

The spelling of 68345272 in words is "sixty-eight million, three hundred forty-five thousand, two hundred seventy-two".