68412047 has 16 divisors (see below), whose sum is σ = 76083840. Its totient is φ = 60996000.

The previous prime is 68412031. The next prime is 68412059. The reversal of 68412047 is 74021486.

It is a cyclic number.

It is not a de Polignac number, because 68412047 - 2⁴ = 68412031 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 (68412017) 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 15 ways as a sum of consecutive naturals, for example, 154208 + ... + 154650.

It is an arithmetic number, because the mean of its divisors is an integer number (4755240).

Almost surely, 2^68412047 is an apocalyptic number.

68412047 is a deficient number, since it is larger than the sum of its proper divisors (7671793).

68412047 is a wasteful number, since it uses less digits than its factorization.

68412047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 68412047 is about 8271.1575368868. The cubic root of 68412047 is about 408.9882788670.

It can be divided in two parts, 6841 and 2047, that added together give a palindrome (8888).

The spelling of 68412047 in words is "sixty-eight million, four hundred twelve thousand, forty-seven".