71114749 has 2 divisors, whose sum is σ = 71114750. Its totient is φ = 71114748.

The previous prime is 71114707. The next prime is 71114753. The reversal of 71114749 is 94741117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 2340900 = 8293^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 71114749 - 2⁹ = 71114237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71114789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35557374 + 35557375.

It is an arithmetic number, because the mean of its divisors is an integer number (35557375).

Almost surely, 2^71114749 is an apocalyptic number.

It is an amenable number.

71114749 is a deficient number, since it is larger than the sum of its proper divisors (1).

71114749 is an equidigital number, since it uses as much as digits as its factorization.

71114749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 34.

The square root of 71114749 is about 8432.9561246339. The cubic root of 71114749 is about 414.3047321942.

The spelling of 71114749 in words is "seventy-one million, one hundred fourteen thousand, seven hundred forty-nine".