322716672 has 198 divisors, whose sum is σ = 993601518. Its totient is φ = 100859904.

The previous prime is 322716649. The next prime is 322716673. The reversal of 322716672 is 276617223.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 269485056 + 53231616 = 16416^2 + 7296^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (322716673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3326928 + ... + 3327024.

Almost surely, 2^322716672 is an apocalyptic number.

322716672 is a gapful number since it is divisible by the number (32) 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 322716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496800759).

322716672 is an abundant number, since it is smaller than the sum of its proper divisors (670884846).

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

322716672 is a wasteful number, since it uses less digits than its factorization.

322716672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 121 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 322716672 is about 17964.3166304761. The cubic root of 322716672 is about 685.9205284382.

The spelling of 322716672 in words is "three hundred twenty-two million, seven hundred sixteen thousand, six hundred seventy-two".