7344640445 has 8 divisors (see below), whose sum is σ = 8825435136. Its totient is φ = 5867801296.

The previous prime is 7344640417. The next prime is 7344640463. The reversal of 7344640445 is 5440464437.

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 7344640445 - 2⁸ = 7344640189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984797 + ... + 992226.

It is an arithmetic number, because the mean of its divisors is an integer number (1103179392).

Almost surely, 2^7344640445 is an apocalyptic number.

It is an amenable number.

7344640445 is a deficient number, since it is larger than the sum of its proper divisors (1480794691).

7344640445 is a wasteful number, since it uses less digits than its factorization.

7344640445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977771.

The product of its (nonzero) digits is 645120, while the sum is 41.

The square root of 7344640445 is about 85700.8777376288. The cubic root of 7344640445 is about 1943.8235822063.

The spelling of 7344640445 in words is "seven billion, three hundred forty-four million, six hundred forty thousand, four hundred forty-five".