667427468 has 24 divisors (see below), whose sum is σ = 1188524400. Its totient is φ = 327875328.

The previous prime is 667427441. The next prime is 667427473. The reversal of 667427468 is 864724766.

It is a super-3 number, since 3×667427468³ (a number of 27 digits) contains 333 as substring.

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, 106568 + ... + 112656.

It is an arithmetic number, because the mean of its divisors is an integer number (49521850).

Almost surely, 2^667427468 is an apocalyptic number.

It is an amenable number.

667427468 is a deficient number, since it is larger than the sum of its proper divisors (521096932).

667427468 is a wasteful number, since it uses less digits than its factorization.

667427468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569 (or 6567 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 50.

The square root of 667427468 is about 25834.6176282909. The cubic root of 667427468 is about 873.9126489964.

The spelling of 667427468 in words is "six hundred sixty-seven million, four hundred twenty-seven thousand, four hundred sixty-eight".