667007004 has 24 divisors (see below), whose sum is σ = 1559340160. Its totient is φ = 221908464.

The previous prime is 667006999. The next prime is 667007009. The reversal of 667007004 is 400700766.

It is an interprime number because it is at equal distance from previous prime (667006999) and next prime (667007009).

It is a super-3 number, since 3×667007004³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667007009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46864 + ... + 59415.

Almost surely, 2^667007004 is an apocalyptic number.

It is an amenable number.

667007004 is an abundant number, since it is smaller than the sum of its proper divisors (892333156).

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

667007004 is a wasteful number, since it uses less digits than its factorization.

667007004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106809 (or 106807 counting only the distinct ones).

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

The square root of 667007004 is about 25826.4787379155. The cubic root of 667007004 is about 873.7290954698.

The spelling of 667007004 in words is "six hundred sixty-seven million, seven thousand, four".