74668001 has 2 divisors, whose sum is σ = 74668002. Its totient is φ = 74668000.

The previous prime is 74667997. The next prime is 74668003. The reversal of 74668001 is 10086647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38427601 + 36240400 = 6199^2 + 6020^2 .

It is a cyclic number.

It is not a de Polignac number, because 74668001 - 2² = 74667997 is a prime.

It is a Sophie Germain prime.

Together with 74668003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (74668003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37334000 + 37334001.

It is an arithmetic number, because the mean of its divisors is an integer number (37334001).

Almost surely, 2^74668001 is an apocalyptic number.

It is an amenable number.

74668001 is a deficient number, since it is larger than the sum of its proper divisors (1).

74668001 is an equidigital number, since it uses as much as digits as its factorization.

74668001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 74668001 is about 8641.0648070709. The cubic root of 74668001 is about 421.0931482006.

The spelling of 74668001 in words is "seventy-four million, six hundred sixty-eight thousand, one".