75696613 has 2 divisors, whose sum is σ = 75696614. Its totient is φ = 75696612.

The previous prime is 75696541. The next prime is 75696617. The reversal of 75696613 is 31669657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68178049 + 7518564 = 8257^2 + 2742^2 .

It is a cyclic number.

It is not a de Polignac number, because 75696613 - 2²⁵ = 42142181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75696613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75696617) 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, 37848306 + 37848307.

It is an arithmetic number, because the mean of its divisors is an integer number (37848307).

Almost surely, 2^75696613 is an apocalyptic number.

It is an amenable number.

75696613 is a deficient number, since it is larger than the sum of its proper divisors (1).

75696613 is an equidigital number, since it uses as much as digits as its factorization.

75696613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 75696613 is about 8700.3800491703. The cubic root of 75696613 is about 423.0179691204.

The spelling of 75696613 in words is "seventy-five million, six hundred ninety-six thousand, six hundred thirteen".