74089237 has 2 divisors, whose sum is σ = 74089238. Its totient is φ = 74089236.

The previous prime is 74089217. The next prime is 74089259. The reversal of 74089237 is 73298047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53377636 + 20711601 = 7306^2 + 4551^2 .

It is a cyclic number.

It is not a de Polignac number, because 74089237 - 2⁷ = 74089109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74089237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74089217) 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, 37044618 + 37044619.

It is an arithmetic number, because the mean of its divisors is an integer number (37044619).

Almost surely, 2^74089237 is an apocalyptic number.

It is an amenable number.

74089237 is a deficient number, since it is larger than the sum of its proper divisors (1).

74089237 is an equidigital number, since it uses as much as digits as its factorization.

74089237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 74089237 is about 8607.5104995579. The cubic root of 74089237 is about 420.0023374775.

The spelling of 74089237 in words is "seventy-four million, eighty-nine thousand, two hundred thirty-seven".