68344047 has 8 divisors (see below), whose sum is σ = 101250480. Its totient is φ = 45562680.

The previous prime is 68344027. The next prime is 68344051. The reversal of 68344047 is 74044386.

It is not a de Polignac number, because 68344047 - 2¹⁵ = 68311279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68344027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265604 + ... + 1265657.

It is an arithmetic number, because the mean of its divisors is an integer number (12656310).

Almost surely, 2^68344047 is an apocalyptic number.

68344047 is a deficient number, since it is larger than the sum of its proper divisors (32906433).

68344047 is a wasteful number, since it uses less digits than its factorization.

68344047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531270 (or 2531264 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 68344047 is about 8267.0458447985. The cubic root of 68344047 is about 408.8527256331.

The spelling of 68344047 in words is "sixty-eight million, three hundred forty-four thousand, forty-seven".