71794013 has 2 divisors, whose sum is σ = 71794014. Its totient is φ = 71794012.

The previous prime is 71794001. The next prime is 71794061. The reversal of 71794013 is 31049717.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 9746884 = 7877^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 71794013 - 2²² = 67599709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71790013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35897006 + 35897007.

It is an arithmetic number, because the mean of its divisors is an integer number (35897007).

Almost surely, 2^71794013 is an apocalyptic number.

It is an amenable number.

71794013 is a deficient number, since it is larger than the sum of its proper divisors (1).

71794013 is an equidigital number, since it uses as much as digits as its factorization.

71794013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71794013 is about 8473.1347799973. The cubic root of 71794013 is about 415.6196539761.

The spelling of 71794013 in words is "seventy-one million, seven hundred ninety-four thousand, thirteen".