71941937 has 2 divisors, whose sum is σ = 71941938. Its totient is φ = 71941936.

The previous prime is 71941931. The next prime is 71941963. The reversal of 71941937 is 73914917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57623281 + 14318656 = 7591^2 + 3784^2 .

It is a cyclic number.

It is not a de Polignac number, because 71941937 - 2¹² = 71937841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71941894 and 71941903.

It is not a weakly prime, because it can be changed into another prime (71941931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35970968 + 35970969.

It is an arithmetic number, because the mean of its divisors is an integer number (35970969).

Almost surely, 2^71941937 is an apocalyptic number.

It is an amenable number.

71941937 is a deficient number, since it is larger than the sum of its proper divisors (1).

71941937 is an equidigital number, since it uses as much as digits as its factorization.

71941937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 41.

The square root of 71941937 is about 8481.8592890946. The cubic root of 71941937 is about 415.9049049925.

The spelling of 71941937 in words is "seventy-one million, nine hundred forty-one thousand, nine hundred thirty-seven".