297696672 has 288 divisors, whose sum is σ = 1073584512. Its totient is φ = 76142592.

The previous prime is 297696671. The next prime is 297696683. The reversal of 297696672 is 276696792.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (297696671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 969543 + ... + 969849.

It is an arithmetic number, because the mean of its divisors is an integer number (3727724).

Almost surely, 2^297696672 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 297696672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536792256).

297696672 is an abundant number, since it is smaller than the sum of its proper divisors (775887840).

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

297696672 is a wasteful number, since it uses less digits than its factorization.

297696672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 369 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 297696672 is about 17253.8886051812. Note that the first 3 decimals coincide. The cubic root of 297696672 is about 667.7152981377.

The spelling of 297696672 in words is "two hundred ninety-seven million, six hundred ninety-six thousand, six hundred seventy-two".