67326628 has 6 divisors (see below), whose sum is σ = 117821606. Its totient is φ = 33663312.

The previous prime is 67326617. The next prime is 67326629. The reversal of 67326628 is 82662376.

It can be written as a sum of positive squares in only one way, i.e., 67272804 + 53824 = 8202^2 + 232^2 .

It is not an unprimeable number, because it can be changed into a prime (67326629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8415825 + ... + 8415832.

Almost surely, 2^67326628 is an apocalyptic number.

It is an amenable number.

67326628 is a deficient number, since it is larger than the sum of its proper divisors (50494978).

67326628 is a wasteful number, since it uses less digits than its factorization.

67326628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16831661 (or 16831659 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 67326628 is about 8205.2804949008. The cubic root of 67326628 is about 406.8137480460.

The spelling of 67326628 in words is "sixty-seven million, three hundred twenty-six thousand, six hundred twenty-eight".