75367321 has 2 divisors, whose sum is σ = 75367322. Its totient is φ = 75367320.

The previous prime is 75367309. The next prime is 75367333. The reversal of 75367321 is 12376357.

It is a balanced prime because it is at equal distance from previous prime (75367309) and next prime (75367333).

It can be written as a sum of positive squares in only one way, i.e., 48441600 + 26925721 = 6960^2 + 5189^2 .

It is a cyclic number.

It is not a de Polignac number, because 75367321 - 2¹³ = 75359129 is a prime.

It is not a weakly prime, because it can be changed into another prime (75367361) 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, 37683660 + 37683661.

It is an arithmetic number, because the mean of its divisors is an integer number (37683661).

Almost surely, 2^75367321 is an apocalyptic number.

It is an amenable number.

75367321 is a deficient number, since it is larger than the sum of its proper divisors (1).

75367321 is an equidigital number, since it uses as much as digits as its factorization.

75367321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 75367321 is about 8681.4354227858. The cubic root of 75367321 is about 422.4036795939.

The spelling of 75367321 in words is "seventy-five million, three hundred sixty-seven thousand, three hundred twenty-one".