74674709 has 2 divisors, whose sum is σ = 74674710. Its totient is φ = 74674708.

The previous prime is 74674673. The next prime is 74674729. The reversal of 74674709 is 90747647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70980625 + 3694084 = 8425^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 74674709 - 2¹⁶ = 74609173 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74674709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74674729) 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, 37337354 + 37337355.

It is an arithmetic number, because the mean of its divisors is an integer number (37337355).

Almost surely, 2^74674709 is an apocalyptic number.

It is an amenable number.

74674709 is a deficient number, since it is larger than the sum of its proper divisors (1).

74674709 is an equidigital number, since it uses as much as digits as its factorization.

74674709 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 74674709 is about 8641.4529449624. The cubic root of 74674709 is about 421.1057578335.

The spelling of 74674709 in words is "seventy-four million, six hundred seventy-four thousand, seven hundred nine".