67464013 has 2 divisors, whose sum is σ = 67464014. Its totient is φ = 67464012.

The previous prime is 67464011. The next prime is 67464017. The reversal of 67464013 is 31046476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47375689 + 20088324 = 6883^2 + 4482^2 .

It is a cyclic number.

It is not a de Polignac number, because 67464013 - 2¹ = 67464011 is a prime.

Together with 67464011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67464011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33732006 + 33732007.

It is an arithmetic number, because the mean of its divisors is an integer number (33732007).

Almost surely, 2^67464013 is an apocalyptic number.

It is an amenable number.

67464013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67464013 is an equidigital number, since it uses as much as digits as its factorization.

67464013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 67464013 is about 8213.6479715167. The cubic root of 67464013 is about 407.0902712954.

The spelling of 67464013 in words is "sixty-seven million, four hundred sixty-four thousand, thirteen".