744447469 has 4 divisors (see below), whose sum is σ = 744506560. Its totient is φ = 744388380.

The previous prime is 744447439. The next prime is 744447481. The reversal of 744447469 is 964744447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 964744447 = 547 ⋅1763701.

It is a cyclic number.

It is not a de Polignac number, because 744447469 - 2¹³ = 744439277 is a prime.

It is a super-2 number, since 2×744447469² = 1108404068201011922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744447409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2229 + ... + 38650.

It is an arithmetic number, because the mean of its divisors is an integer number (186126640).

Almost surely, 2^744447469 is an apocalyptic number.

It is an amenable number.

744447469 is a deficient number, since it is larger than the sum of its proper divisors (59091).

744447469 is a wasteful number, since it uses less digits than its factorization.

744447469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59090.

The product of its digits is 2709504, while the sum is 49.

The square root of 744447469 is about 27284.5646657593. The cubic root of 744447469 is about 906.3126029904.

The spelling of 744447469 in words is "seven hundred forty-four million, four hundred forty-seven thousand, four hundred sixty-nine".