297129972 has 24 divisors (see below), whose sum is σ = 693584416. Its totient is φ = 99003168.

The previous prime is 297129953. The next prime is 297129983. The reversal of 297129972 is 279921792.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49443 + ... + 55125.

Almost surely, 2^297129972 is an apocalyptic number.

It is an amenable number.

297129972 is an abundant number, since it is smaller than the sum of its proper divisors (396454444).

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

297129972 is a wasteful number, since it uses less digits than its factorization.

297129972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047 (or 10045 counting only the distinct ones).

The product of its digits is 285768, while the sum is 48.

The square root of 297129972 is about 17237.4583973392. The cubic root of 297129972 is about 667.2913379403.

The spelling of 297129972 in words is "two hundred ninety-seven million, one hundred twenty-nine thousand, nine hundred seventy-two".