71734693 has 2 divisors, whose sum is σ = 71734694. Its totient is φ = 71734692.

The previous prime is 71734687. The next prime is 71734697. The reversal of 71734693 is 39643717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 804609 = 8422^2 + 897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71734693 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71734697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35867346 + 35867347.

It is an arithmetic number, because the mean of its divisors is an integer number (35867347).

Almost surely, 2^71734693 is an apocalyptic number.

It is an amenable number.

71734693 is a deficient number, since it is larger than the sum of its proper divisors (1).

71734693 is an equidigital number, since it uses as much as digits as its factorization.

71734693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 71734693 is about 8469.6335812124. The cubic root of 71734693 is about 415.5051534755.

It can be divided in two parts, 71734 and 693, that added together give a palindrome (72427).

The spelling of 71734693 in words is "seventy-one million, seven hundred thirty-four thousand, six hundred ninety-three".