71934953 has 2 divisors, whose sum is σ = 71934954. Its totient is φ = 71934952.

The previous prime is 71934949. The next prime is 71934977. The reversal of 71934953 is 35943917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55830784 + 16104169 = 7472^2 + 4013^2 .

It is a cyclic number.

It is not a de Polignac number, because 71934953 - 2² = 71934949 is a prime.

It is a super-2 number, since 2×71934953² = 10349274926224418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71934953.

It is not a weakly prime, because it can be changed into another prime (71934913) 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, 35967476 + 35967477.

It is an arithmetic number, because the mean of its divisors is an integer number (35967477).

Almost surely, 2^71934953 is an apocalyptic number.

It is an amenable number.

71934953 is a deficient number, since it is larger than the sum of its proper divisors (1).

71934953 is an equidigital number, since it uses as much as digits as its factorization.

71934953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 41.

The square root of 71934953 is about 8481.4475769175. The cubic root of 71934953 is about 415.8914461117.

The spelling of 71934953 in words is "seventy-one million, nine hundred thirty-four thousand, nine hundred fifty-three".