71369693 has 2 divisors, whose sum is σ = 71369694. Its totient is φ = 71369692.

The previous prime is 71369653. The next prime is 71369729. The reversal of 71369693 is 39696317.

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., 39413284 + 31956409 = 6278^2 + 5653^2 .

It is a cyclic number.

It is not a de Polignac number, because 71369693 - 2⁶ = 71369629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71369653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35684846 + 35684847.

It is an arithmetic number, because the mean of its divisors is an integer number (35684847).

Almost surely, 2^71369693 is an apocalyptic number.

It is an amenable number.

71369693 is a deficient number, since it is larger than the sum of its proper divisors (1).

71369693 is an equidigital number, since it uses as much as digits as its factorization.

71369693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 71369693 is about 8448.0585343616. The cubic root of 71369693 is about 414.7992312857.

The spelling of 71369693 in words is "seventy-one million, three hundred sixty-nine thousand, six hundred ninety-three".