74832137 has 2 divisors, whose sum is σ = 74832138. Its totient is φ = 74832136.

The previous prime is 74832101. The next prime is 74832161. The reversal of 74832137 is 73123847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51897616 + 22934521 = 7204^2 + 4789^2 .

It is an emirp because it is prime and its reverse (73123847) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74832137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74832097 and 74832106.

It is not a weakly prime, because it can be changed into another prime (74832437) 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, 37416068 + 37416069.

It is an arithmetic number, because the mean of its divisors is an integer number (37416069).

Almost surely, 2^74832137 is an apocalyptic number.

It is an amenable number.

74832137 is a deficient number, since it is larger than the sum of its proper divisors (1).

74832137 is an equidigital number, since it uses as much as digits as its factorization.

74832137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 74832137 is about 8650.5570340875. The cubic root of 74832137 is about 421.4014728803.

The spelling of 74832137 in words is "seventy-four million, eight hundred thirty-two thousand, one hundred thirty-seven".