68301047 has 4 divisors (see below), whose sum is σ = 69589800. Its totient is φ = 67012296.

The previous prime is 68301043. The next prime is 68301049. The reversal of 68301047 is 74010386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68301047 - 2² = 68301043 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 (68301041) 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, 644297 + ... + 644402.

It is an arithmetic number, because the mean of its divisors is an integer number (17397450).

Almost surely, 2^68301047 is an apocalyptic number.

68301047 is a deficient number, since it is larger than the sum of its proper divisors (1288753).

68301047 is a wasteful number, since it uses less digits than its factorization.

68301047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288752.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 68301047 is about 8264.4447484389. Note that the first 3 decimals coincide. The cubic root of 68301047 is about 408.7669617354.

The spelling of 68301047 in words is "sixty-eight million, three hundred one thousand, forty-seven".