74467709 has 2 divisors, whose sum is σ = 74467710. Its totient is φ = 74467708.

The previous prime is 74467697. The next prime is 74467733. The reversal of 74467709 is 90776447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66504025 + 7963684 = 8155^2 + 2822^2 .

It is a cyclic number.

It is not a de Polignac number, because 74467709 - 2⁸ = 74467453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74467709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74407709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37233854 + 37233855.

It is an arithmetic number, because the mean of its divisors is an integer number (37233855).

Almost surely, 2^74467709 is an apocalyptic number.

It is an amenable number.

74467709 is a deficient number, since it is larger than the sum of its proper divisors (1).

74467709 is an equidigital number, since it uses as much as digits as its factorization.

74467709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 74467709 is about 8629.4674806734. The cubic root of 74467709 is about 420.7162928146.

The spelling of 74467709 in words is "seventy-four million, four hundred sixty-seven thousand, seven hundred nine".