74873369 has 2 divisors, whose sum is σ = 74873370. Its totient is φ = 74873368.

The previous prime is 74873353. The next prime is 74873411. The reversal of 74873369 is 96337847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69089344 + 5784025 = 8312^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 74873369 - 2⁴ = 74873353 is a prime.

It is a super-2 number, since 2×74873369² = 11212042770820322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74873569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37436684 + 37436685.

It is an arithmetic number, because the mean of its divisors is an integer number (37436685).

Almost surely, 2^74873369 is an apocalyptic number.

It is an amenable number.

74873369 is a deficient number, since it is larger than the sum of its proper divisors (1).

74873369 is an equidigital number, since it uses as much as digits as its factorization.

74873369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 74873369 is about 8652.9399050265. The cubic root of 74873369 is about 421.4788551210.

The spelling of 74873369 in words is "seventy-four million, eight hundred seventy-three thousand, three hundred sixty-nine".