67934947 has 2 divisors, whose sum is σ = 67934948. Its totient is φ = 67934946.

The previous prime is 67934929. The next prime is 67934959. The reversal of 67934947 is 74943976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67934947 - 2¹⁵ = 67902179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67934947.

It is not a weakly prime, because it can be changed into another prime (67934917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33967473 + 33967474.

It is an arithmetic number, because the mean of its divisors is an integer number (33967474).

Almost surely, 2^67934947 is an apocalyptic number.

67934947 is a deficient number, since it is larger than the sum of its proper divisors (1).

67934947 is an equidigital number, since it uses as much as digits as its factorization.

67934947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 67934947 is about 8242.2658899116. The cubic root of 67934947 is about 408.0353098846.

The spelling of 67934947 in words is "sixty-seven million, nine hundred thirty-four thousand, nine hundred forty-seven".