210797672 has 16 divisors (see below), whose sum is σ = 395547300. Its totient is φ = 105318400.

The previous prime is 210797669. The next prime is 210797677. The reversal of 210797672 is 276797012.

It can be written as a sum of positive squares in 2 ways, for example, as 159617956 + 51179716 = 12634^2 + 7154^2 .

It is a super-4 number, since 4×210797672⁴ (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (210797677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922 + ... + 20622.

Almost surely, 2^210797672 is an apocalyptic number.

It is an amenable number.

210797672 is a deficient number, since it is larger than the sum of its proper divisors (184749628).

210797672 is a wasteful number, since it uses less digits than its factorization.

210797672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116 (or 20112 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 210797672 is about 14518.8729590144. The cubic root of 210797672 is about 595.1438317160.

The spelling of 210797672 in words is "two hundred ten million, seven hundred ninety-seven thousand, six hundred seventy-two".