75161633 has 2 divisors, whose sum is σ = 75161634. Its totient is φ = 75161632.

The previous prime is 75161623. The next prime is 75161683. The reversal of 75161633 is 33616157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73136704 + 2024929 = 8552^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 75161633 - 2¹⁰ = 75160609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75161633.

It is not a weakly prime, because it can be changed into another prime (75161623) 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, 37580816 + 37580817.

It is an arithmetic number, because the mean of its divisors is an integer number (37580817).

Almost surely, 2^75161633 is an apocalyptic number.

It is an amenable number.

75161633 is a deficient number, since it is larger than the sum of its proper divisors (1).

75161633 is an equidigital number, since it uses as much as digits as its factorization.

75161633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 75161633 is about 8669.5809010586. The cubic root of 75161633 is about 422.0190631760.

The spelling of 75161633 in words is "seventy-five million, one hundred sixty-one thousand, six hundred thirty-three".