667273232 has 20 divisors (see below), whose sum is σ = 1293335376. Its totient is φ = 333509280.

The previous prime is 667273213. The next prime is 667273289. The reversal of 667273232 is 232372766.

It is a super-2 number, since 2×667273232² = 890507132287451648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46607 + ... + 59217.

Almost surely, 2^667273232 is an apocalyptic number.

It is an amenable number.

667273232 is a deficient number, since it is larger than the sum of its proper divisors (626062144).

667273232 is a wasteful number, since it uses less digits than its factorization.

667273232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15926 (or 15920 counting only the distinct ones).

The product of its digits is 127008, while the sum is 38.

The square root of 667273232 is about 25831.6323913143. The cubic root of 667273232 is about 873.8453262375.

The spelling of 667273232 in words is "six hundred sixty-seven million, two hundred seventy-three thousand, two hundred thirty-two".