71608753 has 2 divisors, whose sum is σ = 71608754. Its totient is φ = 71608752.

The previous prime is 71608741. The next prime is 71608763. The reversal of 71608753 is 35780617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57410929 + 14197824 = 7577^2 + 3768^2 .

It is a cyclic number.

It is not a de Polignac number, because 71608753 - 2²¹ = 69511601 is a prime.

It is not a weakly prime, because it can be changed into another prime (71608723) 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, 35804376 + 35804377.

It is an arithmetic number, because the mean of its divisors is an integer number (35804377).

Almost surely, 2^71608753 is an apocalyptic number.

It is an amenable number.

71608753 is a deficient number, since it is larger than the sum of its proper divisors (1).

71608753 is an equidigital number, since it uses as much as digits as its factorization.

71608753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 71608753 is about 8462.1955188946. The cubic root of 71608753 is about 415.2618524537.

It can be divided in two parts, 71608 and 753, that added together give a square (72361 = 269²).

The spelling of 71608753 in words is "seventy-one million, six hundred eight thousand, seven hundred fifty-three".