71074613 has 2 divisors, whose sum is σ = 71074614. Its totient is φ = 71074612.

The previous prime is 71074561. The next prime is 71074673. The reversal of 71074613 is 31647017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43270084 + 27804529 = 6578^2 + 5273^2 .

It is an emirp because it is prime and its reverse (31647017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71074613 - 2¹⁶ = 71009077 is a prime.

It is a super-2 number, since 2×71074613² = 10103201226199538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71074673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35537306 + 35537307.

It is an arithmetic number, because the mean of its divisors is an integer number (35537307).

Almost surely, 2^71074613 is an apocalyptic number.

It is an amenable number.

71074613 is a deficient number, since it is larger than the sum of its proper divisors (1).

71074613 is an equidigital number, since it uses as much as digits as its factorization.

71074613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 71074613 is about 8430.5760775881. The cubic root of 71074613 is about 414.2267752573.

The spelling of 71074613 in words is "seventy-one million, seventy-four thousand, six hundred thirteen".