69144071 has 2 divisors, whose sum is σ = 69144072. Its totient is φ = 69144070.

The previous prime is 69144017. The next prime is 69144079. The reversal of 69144071 is 17044196.

Together with previous prime (69144017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69144071 - 2¹⁴ = 69127687 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 (69144079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34572035 + 34572036.

It is an arithmetic number, because the mean of its divisors is an integer number (34572036).

Almost surely, 2^69144071 is an apocalyptic number.

69144071 is a deficient number, since it is larger than the sum of its proper divisors (1).

69144071 is an equidigital number, since it uses as much as digits as its factorization.

69144071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 69144071 is about 8315.2913959765. The cubic root of 69144071 is about 410.4418615240.

The spelling of 69144071 in words is "sixty-nine million, one hundred forty-four thousand, seventy-one".