71955941 has 2 divisors, whose sum is σ = 71955942. Its totient is φ = 71955940.

The previous prime is 71955913. The next prime is 71955953. The reversal of 71955941 is 14955917.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71893441 + 62500 = 8479^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 71955941 - 2¹⁰ = 71954917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71955911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35977970 + 35977971.

It is an arithmetic number, because the mean of its divisors is an integer number (35977971).

Almost surely, 2^71955941 is an apocalyptic number.

It is an amenable number.

71955941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71955941 is an equidigital number, since it uses as much as digits as its factorization.

71955941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 41.

The square root of 71955941 is about 8482.6847754706. The cubic root of 71955941 is about 415.9318895055.

The spelling of 71955941 in words is "seventy-one million, nine hundred fifty-five thousand, nine hundred forty-one".