73744469 has 2 divisors, whose sum is σ = 73744470. Its totient is φ = 73744468.

The previous prime is 73744459. The next prime is 73744471. The reversal of 73744469 is 96444737.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69388900 + 4355569 = 8330^2 + 2087^2 .

It is an emirp because it is prime and its reverse (96444737) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73744469 - 2¹⁶ = 73678933 is a prime.

It is a super-2 number, since 2×73744469² = 10876493416183922, which contains 22 as substring.

Together with 73744471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73744459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36872234 + 36872235.

It is an arithmetic number, because the mean of its divisors is an integer number (36872235).

Almost surely, 2^73744469 is an apocalyptic number.

It is an amenable number.

73744469 is a deficient number, since it is larger than the sum of its proper divisors (1).

73744469 is an equidigital number, since it uses as much as digits as its factorization.

73744469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 73744469 is about 8587.4599853507. The cubic root of 73744469 is about 419.3498425300.

The spelling of 73744469 in words is "seventy-three million, seven hundred forty-four thousand, four hundred sixty-nine".