71853941 has 2 divisors, whose sum is σ = 71853942. Its totient is φ = 71853940.

The previous prime is 71853931. The next prime is 71853979. The reversal of 71853941 is 14935817.

It is an a-pointer prime, because the next prime (71853979) can be obtained adding 71853941 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71757841 + 96100 = 8471^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 71853941 - 2¹⁸ = 71591797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71853895 and 71853904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71853911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35926970 + 35926971.

It is an arithmetic number, because the mean of its divisors is an integer number (35926971).

Almost surely, 2^71853941 is an apocalyptic number.

It is an amenable number.

71853941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71853941 is an equidigital number, since it uses as much as digits as its factorization.

71853941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 71853941 is about 8476.6703958571. The cubic root of 71853941 is about 415.7352640230.

The spelling of 71853941 in words is "seventy-one million, eight hundred fifty-three thousand, nine hundred forty-one".