266972372 has 24 divisors (see below), whose sum is σ = 482952960. Its totient is φ = 128998080.

The previous prime is 266972359. The next prime is 266972393. The reversal of 266972372 is 273279662.

266972372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266972372² = 142548494822612768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 139043 + ... + 140949.

It is an arithmetic number, because the mean of its divisors is an integer number (20123040).

Almost surely, 2^266972372 is an apocalyptic number.

It is an amenable number.

266972372 is a deficient number, since it is larger than the sum of its proper divisors (215980588).

266972372 is a wasteful number, since it uses less digits than its factorization.

266972372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071 (or 3069 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 266972372 is about 16339.2892134266. The cubic root of 266972372 is about 643.9054585186.

The spelling of 266972372 in words is "two hundred sixty-six million, nine hundred seventy-two thousand, three hundred seventy-two".