297481972 has 6 divisors (see below), whose sum is σ = 520593458. Its totient is φ = 148740984.

The previous prime is 297481967. The next prime is 297481973. The reversal of 297481972 is 279184792.

It can be written as a sum of positive squares in only one way, i.e., 295702416 + 1779556 = 17196^2 + 1334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297481973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37185243 + ... + 37185250.

Almost surely, 2^297481972 is an apocalyptic number.

It is an amenable number.

297481972 is a deficient number, since it is larger than the sum of its proper divisors (223111486).

297481972 is a wasteful number, since it uses less digits than its factorization.

297481972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74370497 (or 74370495 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 297481972 is about 17247.6656971313. The cubic root of 297481972 is about 667.5547399080.

The spelling of 297481972 in words is "two hundred ninety-seven million, four hundred eighty-one thousand, nine hundred seventy-two".