69967397 has 2 divisors, whose sum is σ = 69967398. Its totient is φ = 69967396.

The previous prime is 69967379. The next prime is 69967409. The reversal of 69967397 is 79376996.

Together with previous prime (69967379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67141636 + 2825761 = 8194^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 69967397 - 2²² = 65773093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69967307) 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 as a sum of consecutive naturals, namely, 34983698 + 34983699.

It is an arithmetic number, because the mean of its divisors is an integer number (34983699).

Almost surely, 2^69967397 is an apocalyptic number.

It is an amenable number.

69967397 is a deficient number, since it is larger than the sum of its proper divisors (1).

69967397 is an equidigital number, since it uses as much as digits as its factorization.

69967397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3857868, while the sum is 56.

The square root of 69967397 is about 8364.6516364999. The cubic root of 69967397 is about 412.0645361091.

The spelling of 69967397 in words is "sixty-nine million, nine hundred sixty-seven thousand, three hundred ninety-seven".