67996501 has 2 divisors, whose sum is σ = 67996502. Its totient is φ = 67996500.

The previous prime is 67996499. The next prime is 67996519. The reversal of 67996501 is 10569976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53670276 + 14326225 = 7326^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 67996501 - 2¹ = 67996499 is a prime.

Together with 67996499, 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 (67996301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33998250 + 33998251.

It is an arithmetic number, because the mean of its divisors is an integer number (33998251).

Almost surely, 2^67996501 is an apocalyptic number.

It is an amenable number.

67996501 is a deficient number, since it is larger than the sum of its proper divisors (1).

67996501 is an equidigital number, since it uses as much as digits as its factorization.

67996501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 67996501 is about 8245.9990904681. Note that the first 3 decimals coincide. The cubic root of 67996501 is about 408.1585092328.

The spelling of 67996501 in words is "sixty-seven million, nine hundred ninety-six thousand, five hundred one".