1172704320 has 336 divisors, whose sum is σ = 4398264000. Its totient is φ = 285659136.

The previous prime is 1172704303. The next prime is 1172704327. The reversal of 1172704320 is 234072711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1172704327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1586511 + ... + 1587249.

Almost surely, 2^1172704320 is an apocalyptic number.

1172704320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172704320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2199132000).

1172704320 is an abundant number, since it is smaller than the sum of its proper divisors (3225559680).

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

1172704320 is a wasteful number, since it uses less digits than its factorization.

1172704320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1172704320 is about 34244.7706956843. The cubic root of 1172704320 is about 1054.5394754102.

The spelling of 1172704320 in words is "one billion, one hundred seventy-two million, seven hundred four thousand, three hundred twenty".