744407 has 2 divisors, whose sum is σ = 744408. Its totient is φ = 744406.

The previous prime is 744397. The next prime is 744409. The reversal of 744407 is 704447.

It is a strong prime.

It is an emirp because it is prime and its reverse (704447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744407 - 2⁴ = 744391 is a prime.

Together with 744409, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 744407.

It is not a weakly prime, because it can be changed into another prime (744409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372203 + 372204.

It is an arithmetic number, because the mean of its divisors is an integer number (372204).

2⁷⁴⁴⁴⁰⁷ is an apocalyptic number.

744407 is a deficient number, since it is larger than the sum of its proper divisors (1).

744407 is an equidigital number, since it uses as much as digits as its factorization.

744407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 744407 is about 862.7902410204. The cubic root of 744407 is about 90.6296179969.

It can be divided in two parts, 74440 and 7, that added together give a palindrome (74447).

The spelling of 744407 in words is "seven hundred forty-four thousand, four hundred seven", and thus it is an iban number.