74799169 has 2 divisors, whose sum is σ = 74799170. Its totient is φ = 74799168.

The previous prime is 74799157. The next prime is 74799217. The reversal of 74799169 is 96199747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 31080625 = 6612^2 + 5575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74799169 is a prime.

It is a super-2 number, since 2×74799169² = 11189831366181122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74799469) 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, 37399584 + 37399585.

It is an arithmetic number, because the mean of its divisors is an integer number (37399585).

Almost surely, 2^74799169 is an apocalyptic number.

It is an amenable number.

74799169 is a deficient number, since it is larger than the sum of its proper divisors (1).

74799169 is an equidigital number, since it uses as much as digits as its factorization.

74799169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 52.

The square root of 74799169 is about 8648.6512821364. The cubic root of 74799169 is about 421.3395796661.

The spelling of 74799169 in words is "seventy-four million, seven hundred ninety-nine thousand, one hundred sixty-nine".