67320674 has 4 divisors (see below), whose sum is σ = 100981014. Its totient is φ = 33660336.

The previous prime is 67320661. The next prime is 67320677. The reversal of 67320674 is 47602376.

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

It can be written as a sum of positive squares in only one way, i.e., 43652449 + 23668225 = 6607^2 + 4865^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67320677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16830167 + ... + 16830170.

Almost surely, 2^67320674 is an apocalyptic number.

67320674 is a deficient number, since it is larger than the sum of its proper divisors (33660340).

67320674 is a wasteful number, since it uses less digits than its factorization.

67320674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33660339.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 67320674 is about 8204.9176717381. The cubic root of 67320674 is about 406.8017555624.

The spelling of 67320674 in words is "sixty-seven million, three hundred twenty thousand, six hundred seventy-four".