6667040072 has 64 divisors (see below), whose sum is σ = 15773184000. Its totient is φ = 2566232640.

The previous prime is 6667040069. The next prime is 6667040089. The reversal of 6667040072 is 2700407666.

It is a happy 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, 14072 + ... + 116327.

It is an arithmetic number, because the mean of its divisors is an integer number (246456000).

Almost surely, 2^6667040072 is an apocalyptic number.

It is an amenable number.

6667040072 is an abundant number, since it is smaller than the sum of its proper divisors (9106143928).

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

6667040072 is a wasteful number, since it uses less digits than its factorization.

6667040072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130506 (or 130502 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 6667040072 is about 81651.9446920892. The cubic root of 6667040072 is about 1882.1071958932.

The spelling of 6667040072 in words is "six billion, six hundred sixty-seven million, forty thousand, seventy-two".