67371013 has 2 divisors, whose sum is σ = 67371014. Its totient is φ = 67371012.

The previous prime is 67370999. The next prime is 67371037. The reversal of 67371013 is 31017376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58262689 + 9108324 = 7633^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 67371013 - 2¹³ = 67362821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67371313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33685506 + 33685507.

It is an arithmetic number, because the mean of its divisors is an integer number (33685507).

Almost surely, 2^67371013 is an apocalyptic number.

It is an amenable number.

67371013 is a deficient number, since it is larger than the sum of its proper divisors (1).

67371013 is an equidigital number, since it uses as much as digits as its factorization.

67371013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 67371013 is about 8207.9847100247. The cubic root of 67371013 is about 406.9031255692.

Adding to 67371013 its reverse (31017376), we get a palindrome (98388389).

It can be divided in two parts, 6737 and 1013, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 67371013 in words is "sixty-seven million, three hundred seventy-one thousand, thirteen".