6670404072 has 24 divisors (see below), whose sum is σ = 18065677890. Its totient is φ = 2223468000.

The previous prime is 6670404071. The next prime is 6670404079. The reversal of 6670404072 is 2704040766.

It can be written as a sum of positive squares in only one way, i.e., 6560028036 + 110376036 = 80994^2 + 10506^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6670404071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46322179 + ... + 46322322.

Almost surely, 2^6670404072 is an apocalyptic number.

It is an amenable number.

6670404072 is an abundant number, since it is smaller than the sum of its proper divisors (11395273818).

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

6670404072 is a wasteful number, since it uses less digits than its factorization.

6670404072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92644513 (or 92644506 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 6670404072 is about 81672.5417260905. The cubic root of 6670404072 is about 1882.4236953669.

The spelling of 6670404072 in words is "six billion, six hundred seventy million, four hundred four thousand, seventy-two".