74284037 has 2 divisors, whose sum is σ = 74284038. Its totient is φ = 74284036.

The previous prime is 74284019. The next prime is 74284097. The reversal of 74284037 is 73048247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 14546596 = 7729^2 + 3814^2 .

It is a cyclic number.

It is not a de Polignac number, because 74284037 - 2¹² = 74279941 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74283988 and 74284006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74284097) 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, 37142018 + 37142019.

It is an arithmetic number, because the mean of its divisors is an integer number (37142019).

Almost surely, 2^74284037 is an apocalyptic number.

It is an amenable number.

74284037 is a deficient number, since it is larger than the sum of its proper divisors (1).

74284037 is an equidigital number, since it uses as much as digits as its factorization.

74284037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 74284037 is about 8618.8187705741. The cubic root of 74284037 is about 420.3701140381.

The spelling of 74284037 in words is "seventy-four million, two hundred eighty-four thousand, thirty-seven".