744566045 has 6 divisors (see below), whose sum is σ = 893552478. Its totient is φ = 595604024.

The previous prime is 744565979. The next prime is 744566047. The reversal of 744566045 is 540665447.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 595652836 + 148913209 = 24406^2 + 12203^2 .

It is not a de Polignac number, because 744566045 - 2¹⁰ = 744565021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 744565993 and 744566011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744566047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54914 + ... + 67116.

It is an arithmetic number, because the mean of its divisors is an integer number (148925413).

Almost surely, 2^744566045 is an apocalyptic number.

It is an amenable number.

744566045 is a deficient number, since it is larger than the sum of its proper divisors (148986433).

744566045 is an frugal number, since it uses more digits than its factorization.

744566045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24411 (or 12208 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 744566045 is about 27286.7375294299. The cubic root of 744566045 is about 906.3607197582.

The spelling of 744566045 in words is "seven hundred forty-four million, five hundred sixty-six thousand, forty-five".