744166340 has 24 divisors (see below), whose sum is σ = 1563639000. Its totient is φ = 297497088.

The previous prime is 744166309. The next prime is 744166343. The reversal of 744166340 is 43661447.

It can be written as a sum of positive squares in 4 ways, for example, as 219573124 + 524593216 = 14818^2 + 22904^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 744166340.

It is not an unprimeable number, because it can be changed into a prime (744166343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29036 + ... + 48284.

It is an arithmetic number, because the mean of its divisors is an integer number (65151625).

Almost surely, 2^744166340 is an apocalyptic number.

It is an amenable number.

744166340 is an abundant number, since it is smaller than the sum of its proper divisors (819472660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744166340 is a wasteful number, since it uses less digits than its factorization.

744166340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191 (or 21189 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 744166340 is about 27279.4123837006. The cubic root of 744166340 is about 906.1985036771.

The spelling of 744166340 in words is "seven hundred forty-four million, one hundred sixty-six thousand, three hundred forty".