67304401 has 4 divisors (see below), whose sum is σ = 67795812. Its totient is φ = 66812992.

The previous prime is 67304383. The next prime is 67304429. The reversal of 67304401 is 10440376.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18318400 + 48986001 = 4280^2 + 6999^2 .

It is a cyclic number.

It is not a de Polignac number, because 67304401 - 2⁹ = 67303889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67304431) 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 3 ways as a sum of consecutive naturals, for example, 245500 + ... + 245773.

It is an arithmetic number, because the mean of its divisors is an integer number (16948953).

Almost surely, 2^67304401 is an apocalyptic number.

It is an amenable number.

67304401 is a deficient number, since it is larger than the sum of its proper divisors (491411).

67304401 is a wasteful number, since it uses less digits than its factorization.

67304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491410.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 67304401 is about 8203.9259504215. The cubic root of 67304401 is about 406.7689750506.

Adding to 67304401 its reverse (10440376), we get a palindrome (77744777).

The spelling of 67304401 in words is "sixty-seven million, three hundred four thousand, four hundred one".