74668037 has 2 divisors, whose sum is σ = 74668038. Its totient is φ = 74668036.

The previous prime is 74668031. The next prime is 74668039. The reversal of 74668037 is 73086647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74666881 + 1156 = 8641^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 74668037 - 2⁴ = 74668021 is a prime.

Together with 74668039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 74667985 and 74668003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74668031) 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, 37334018 + 37334019.

It is an arithmetic number, because the mean of its divisors is an integer number (37334019).

Almost surely, 2^74668037 is an apocalyptic number.

It is an amenable number.

74668037 is a deficient number, since it is larger than the sum of its proper divisors (1).

74668037 is an equidigital number, since it uses as much as digits as its factorization.

74668037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 74668037 is about 8641.0668901473. The cubic root of 74668037 is about 421.0932158751.

The spelling of 74668037 in words is "seventy-four million, six hundred sixty-eight thousand, thirty-seven".