71763533 has 2 divisors, whose sum is σ = 71763534. Its totient is φ = 71763532.

The previous prime is 71763491. The next prime is 71763539. The reversal of 71763533 is 33536717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36929929 + 34833604 = 6077^2 + 5902^2 .

It is an emirp because it is prime and its reverse (33536717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71763533 - 2⁶ = 71763469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71763493 and 71763502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71763539) 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, 35881766 + 35881767.

It is an arithmetic number, because the mean of its divisors is an integer number (35881767).

Almost surely, 2^71763533 is an apocalyptic number.

It is an amenable number.

71763533 is a deficient number, since it is larger than the sum of its proper divisors (1).

71763533 is an equidigital number, since it uses as much as digits as its factorization.

71763533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 35.

The square root of 71763533 is about 8471.3359631170. The cubic root of 71763533 is about 415.5608288286.

The spelling of 71763533 in words is "seventy-one million, seven hundred sixty-three thousand, five hundred thirty-three".