1073209344 has 56 divisors (see below), whose sum is σ = 2861782440. Its totient is φ = 357728256.

The previous prime is 1073209343. The next prime is 1073209363. The reversal of 1073209344 is 4439023701.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073209343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742 + ... + 46410.

Almost surely, 2^1073209344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1073209344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1430891220).

1073209344 is an abundant number, since it is smaller than the sum of its proper divisors (1788573096).

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

1073209344 is an frugal number, since it uses more digits than its factorization.

1073209344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43698 (or 43674 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1073209344 is about 32759.8739924317. The cubic root of 1073209344 is about 1023.8307011779.

The spelling of 1073209344 in words is "one billion, seventy-three million, two hundred nine thousand, three hundred forty-four".