67361797 has 2 divisors, whose sum is σ = 67361798. Its totient is φ = 67361796.

The previous prime is 67361773. The next prime is 67361807. The reversal of 67361797 is 79716376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49646116 + 17715681 = 7046^2 + 4209^2 .

It is a cyclic number.

It is not a de Polignac number, because 67361797 - 2¹⁵ = 67329029 is a prime.

It is a super-2 number, since 2×67361797² = 9075223390138418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67361717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33680898 + 33680899.

It is an arithmetic number, because the mean of its divisors is an integer number (33680899).

Almost surely, 2^67361797 is an apocalyptic number.

It is an amenable number.

67361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

67361797 is an equidigital number, since it uses as much as digits as its factorization.

67361797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 67361797 is about 8207.4232862696. The cubic root of 67361797 is about 406.8845706544.

The spelling of 67361797 in words is "sixty-seven million, three hundred sixty-one thousand, seven hundred ninety-seven".