71074013 has 2 divisors, whose sum is σ = 71074014. Its totient is φ = 71074012.

The previous prime is 71073997. The next prime is 71074019. The reversal of 71074013 is 31047017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57729604 + 13344409 = 7598^2 + 3653^2 .

It is a cyclic number.

It is not a de Polignac number, because 71074013 - 2⁴ = 71073997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71074013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71074019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35537006 + 35537007.

It is an arithmetic number, because the mean of its divisors is an integer number (35537007).

Almost surely, 2^71074013 is an apocalyptic number.

It is an amenable number.

71074013 is a deficient number, since it is larger than the sum of its proper divisors (1).

71074013 is an equidigital number, since it uses as much as digits as its factorization.

71074013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 71074013 is about 8430.5404927561. The cubic root of 71074013 is about 414.2256096429.

The spelling of 71074013 in words is "seventy-one million, seventy-four thousand, thirteen".