744264340 has 12 divisors (see below), whose sum is σ = 1562955156. Its totient is φ = 297705728.

The previous prime is 744264307. The next prime is 744264347. The reversal of 744264340 is 43462447.

It can be written as a sum of positive squares in 2 ways, for example, as 475763344 + 268500996 = 21812^2 + 16386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 744264296 and 744264305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744264347) 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, 18606589 + ... + 18606628.

It is an arithmetic number, because the mean of its divisors is an integer number (130246263).

Almost surely, 2^744264340 is an apocalyptic number.

It is an amenable number.

744264340 is an abundant number, since it is smaller than the sum of its proper divisors (818690816).

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

744264340 is a wasteful number, since it uses less digits than its factorization.

744264340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37213226 (or 37213224 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The square root of 744264340 is about 27281.2085509422. The cubic root of 744264340 is about 906.2382813229.

The spelling of 744264340 in words is "seven hundred forty-four million, two hundred sixty-four thousand, three hundred forty".