267921672 has 16 divisors (see below), whose sum is σ = 669804240. Its totient is φ = 89307216.

The previous prime is 267921659. The next prime is 267921701. The reversal of 267921672 is 276129762.

It is a super-4 number, since 4×267921672⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5581678 + ... + 5581725.

It is an arithmetic number, because the mean of its divisors is an integer number (41862765).

Almost surely, 2^267921672 is an apocalyptic number.

It is an amenable number.

267921672 is an abundant number, since it is smaller than the sum of its proper divisors (401882568).

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

267921672 is a wasteful number, since it uses less digits than its factorization.

267921672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163412 (or 11163408 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 267921672 is about 16368.3130468598. The cubic root of 267921672 is about 644.6677550936.

The spelling of 267921672 in words is "two hundred sixty-seven million, nine hundred twenty-one thousand, six hundred seventy-two".