71612941 has 2 divisors, whose sum is σ = 71612942. Its totient is φ = 71612940.

The previous prime is 71612929. The next prime is 71612951. The reversal of 71612941 is 14921617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 31036041 = 6370^2 + 5571^2 .

It is a cyclic number.

It is not a de Polignac number, because 71612941 - 2⁷ = 71612813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71612951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35806470 + 35806471.

It is an arithmetic number, because the mean of its divisors is an integer number (35806471).

Almost surely, 2^71612941 is an apocalyptic number.

It is an amenable number.

71612941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71612941 is an equidigital number, since it uses as much as digits as its factorization.

71612941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 31.

The square root of 71612941 is about 8462.4429687886. The cubic root of 71612941 is about 415.2699477524.

The spelling of 71612941 in words is "seventy-one million, six hundred twelve thousand, nine hundred forty-one".