7209049344 has 216 divisors, whose sum is σ = 23292279360. Its totient is φ = 1969938432.

The previous prime is 7209049319. The next prime is 7209049381. The reversal of 7209049344 is 4439409027.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 7209049296 and 7209049305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861372 + ... + 869700.

Almost surely, 2^7209049344 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 7209049344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11646139680).

7209049344 is an abundant number, since it is smaller than the sum of its proper divisors (16083230016).

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

7209049344 is a wasteful number, since it uses less digits than its factorization.

7209049344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8385 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 7209049344 is about 84906.1207687644. The cubic root of 7209049344 is about 1931.7874162232.

The spelling of 7209049344 in words is "seven billion, two hundred nine million, forty-nine thousand, three hundred forty-four".