744770401 has 8 divisors (see below), whose sum is σ = 749939904. Its totient is φ = 739609680.

The previous prime is 744770399. The next prime is 744770407. The reversal of 744770401 is 104077447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744770401 - 2¹ = 744770399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744770407) 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 7 ways as a sum of consecutive naturals, for example, 346791 + ... + 348931.

It is an arithmetic number, because the mean of its divisors is an integer number (93742488).

Almost surely, 2^744770401 is an apocalyptic number.

It is an amenable number.

744770401 is a deficient number, since it is larger than the sum of its proper divisors (5169503).

744770401 is a wasteful number, since it uses less digits than its factorization.

744770401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 744770401 is about 27290.4818755551. The cubic root of 744770401 is about 906.4436330693.

The spelling of 744770401 in words is "seven hundred forty-four million, seven hundred seventy thousand, four hundred one".