667070004 has 48 divisors (see below), whose sum is σ = 1667953728. Its totient is φ = 206750208.

The previous prime is 667069981. The next prime is 667070029. The reversal of 667070004 is 400070766.

667070004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2767 + ... + 36630.

It is an arithmetic number, because the mean of its divisors is an integer number (34749036).

Almost surely, 2^667070004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 667070004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833976864).

667070004 is an abundant number, since it is smaller than the sum of its proper divisors (1000883724).

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

667070004 is a wasteful number, since it uses less digits than its factorization.

667070004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39504 (or 39502 counting only the distinct ones).

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

The square root of 667070004 is about 25827.6983875838. The cubic root of 667070004 is about 873.7566030270.

The spelling of 667070004 in words is "six hundred sixty-seven million, seventy thousand, four".