297229752072 has 420 divisors, whose sum is σ = 934970862975. Its totient is φ = 88543018080.

The previous prime is 297229752011. The next prime is 297229752101. The reversal of 297229752072 is 270257922792.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

297229752072 is a `hidden beast` number, since 2 + 9 + 7 + 22 + 97 + 520 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 148614876036 + 148614876036 = 385506^2 + 385506^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=385506.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 5037792379 + ... + 5037792437.

Almost surely, 2^297229752072 is an apocalyptic number.

297229752072 is a gapful number since it is divisible by the number (22) 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 297229752072

297229752072 is an abundant number, since it is smaller than the sum of its proper divisors (637741110903).

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

297229752072 is an frugal number, since it uses more digits than its factorization.

297229752072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 297229752072 in words is "two hundred ninety-seven billion, two hundred twenty-nine million, seven hundred fifty-two thousand, seventy-two".