667047000 has 64 divisors (see below), whose sum is σ = 2081196000. Its totient is φ = 177878400.

The previous prime is 667046993. The next prime is 667047061. The reversal of 667047000 is 740766.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 108175 + ... + 114174.

Almost surely, 2^667047000 is an apocalyptic number.

667047000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

667047000 is an abundant number, since it is smaller than the sum of its proper divisors (1414149000).

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

667047000 is a wasteful number, since it uses less digits than its factorization.

667047000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222373 (or 222359 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 667047000 is about 25827.2530478950. The cubic root of 667047000 is about 873.7465590397.

Adding to 667047000 its reverse (740766), we get a palindrome (667787766).

The spelling of 667047000 in words is "six hundred sixty-seven million, forty-seven thousand".