74475673 has 2 divisors, whose sum is σ = 74475674. Its totient is φ = 74475672.

The previous prime is 74475647. The next prime is 74475697. The reversal of 74475673 is 37657447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50239744 + 24235929 = 7088^2 + 4923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74475673 is a prime.

It is not a weakly prime, because it can be changed into another prime (74475473) 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, 37237836 + 37237837.

It is an arithmetic number, because the mean of its divisors is an integer number (37237837).

Almost surely, 2^74475673 is an apocalyptic number.

It is an amenable number.

74475673 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475673 is an equidigital number, since it uses as much as digits as its factorization.

74475673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 43.

The square root of 74475673 is about 8629.9289104836. The cubic root of 74475673 is about 420.7312902104.

The spelling of 74475673 in words is "seventy-four million, four hundred seventy-five thousand, six hundred seventy-three".