74001673 has 2 divisors, whose sum is σ = 74001674. Its totient is φ = 74001672.

The previous prime is 74001647. The next prime is 74001677. The reversal of 74001673 is 37610047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41886784 + 32114889 = 6472^2 + 5667^2 .

It is a cyclic number.

It is not a de Polignac number, because 74001673 - 2¹³ = 73993481 is a prime.

It is not a weakly prime, because it can be changed into another prime (74001677) 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, 37000836 + 37000837.

It is an arithmetic number, because the mean of its divisors is an integer number (37000837).

Almost surely, 2^74001673 is an apocalyptic number.

It is an amenable number.

74001673 is a deficient number, since it is larger than the sum of its proper divisors (1).

74001673 is an equidigital number, since it uses as much as digits as its factorization.

74001673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 74001673 is about 8602.4225076428. The cubic root of 74001673 is about 419.8368092385.

The spelling of 74001673 in words is "seventy-four million, one thousand, six hundred seventy-three".