67816834 has 16 divisors (see below), whose sum is σ = 106375680. Its totient is φ = 32364640.

The previous prime is 67816831. The next prime is 67816841. The reversal of 67816834 is 43861876.

It is not an unprimeable number, because it can be changed into a prime (67816831) 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, 24879 + ... + 27469.

It is an arithmetic number, because the mean of its divisors is an integer number (6648480).

Almost surely, 2^67816834 is an apocalyptic number.

67816834 is a deficient number, since it is larger than the sum of its proper divisors (38558846).

67816834 is a wasteful number, since it uses less digits than its factorization.

67816834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its digits is 193536, while the sum is 43.

The square root of 67816834 is about 8235.0976921953. The cubic root of 67816834 is about 407.7987000385.

The spelling of 67816834 in words is "sixty-seven million, eight hundred sixteen thousand, eight hundred thirty-four".