744805401 has 4 divisors (see below), whose sum is σ = 993073872. Its totient is φ = 496536932.

The previous prime is 744805379. The next prime is 744805423. The reversal of 744805401 is 104508447.

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.

It is an interprime number because it is at equal distance from previous prime (744805379) and next prime (744805423).

It is a cyclic number.

It is not a de Polignac number, because 744805401 - 2⁷ = 744805273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (744805441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124134231 + ... + 124134236.

It is an arithmetic number, because the mean of its divisors is an integer number (248268468).

Almost surely, 2^744805401 is an apocalyptic number.

It is an amenable number.

744805401 is a deficient number, since it is larger than the sum of its proper divisors (248268471).

744805401 is a wasteful number, since it uses less digits than its factorization.

744805401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248268470.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 744805401 is about 27291.1231172336. The cubic root of 744805401 is about 906.4578320897.

The spelling of 744805401 in words is "seven hundred forty-four million, eight hundred five thousand, four hundred one".