74969369 has 2 divisors, whose sum is σ = 74969370. Its totient is φ = 74969368.

The previous prime is 74969359. The next prime is 74969387. The reversal of 74969369 is 96396947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63409369 + 11560000 = 7963^2 + 3400^2 .

It is a cyclic number.

It is not a de Polignac number, because 74969369 - 2¹² = 74965273 is a prime.

It is a super-2 number, since 2×74969369² = 11240812576516322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74969369.

It is not a weakly prime, because it can be changed into another prime (74969309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37484684 + 37484685.

It is an arithmetic number, because the mean of its divisors is an integer number (37484685).

Almost surely, 2^74969369 is an apocalyptic number.

It is an amenable number.

74969369 is a deficient number, since it is larger than the sum of its proper divisors (1).

74969369 is an equidigital number, since it uses as much as digits as its factorization.

74969369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 53.

The square root of 74969369 is about 8658.4853756301. The cubic root of 74969369 is about 421.6589133088.

The spelling of 74969369 in words is "seventy-four million, nine hundred sixty-nine thousand, three hundred sixty-nine".