71596963 has 2 divisors, whose sum is σ = 71596964. Its totient is φ = 71596962.

The previous prime is 71596951. The next prime is 71597023. The reversal of 71596963 is 36969517.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71596963 - 2²¹ = 69499811 is a prime.

It is a super-2 number, since 2×71596963² = 10252250221646738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71596363) 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, 35798481 + 35798482.

It is an arithmetic number, because the mean of its divisors is an integer number (35798482).

Almost surely, 2^71596963 is an apocalyptic number.

71596963 is a deficient number, since it is larger than the sum of its proper divisors (1).

71596963 is an equidigital number, since it uses as much as digits as its factorization.

71596963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 71596963 is about 8461.4988624948. The cubic root of 71596963 is about 415.2390609849.

The spelling of 71596963 in words is "seventy-one million, five hundred ninety-six thousand, nine hundred sixty-three".