75164737 has 2 divisors, whose sum is σ = 75164738. Its totient is φ = 75164736.

The previous prime is 75164729. The next prime is 75164753. The reversal of 75164737 is 73746157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71385601 + 3779136 = 8449^2 + 1944^2 .

It is an emirp because it is prime and its reverse (73746157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75164737 - 2³ = 75164729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75164737.

It is not a weakly prime, because it can be changed into another prime (75164777) 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, 37582368 + 37582369.

It is an arithmetic number, because the mean of its divisors is an integer number (37582369).

Almost surely, 2^75164737 is an apocalyptic number.

It is an amenable number.

75164737 is a deficient number, since it is larger than the sum of its proper divisors (1).

75164737 is an equidigital number, since it uses as much as digits as its factorization.

75164737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 40.

The square root of 75164737 is about 8669.7599159377. The cubic root of 75164737 is about 422.0248725635.

The spelling of 75164737 in words is "seventy-five million, one hundred sixty-four thousand, seven hundred thirty-seven".