6670403407 has 8 divisors (see below), whose sum is σ = 7109556192. Its totient is φ = 6236448000.

The previous prime is 6670403357. The next prime is 6670403437. The reversal of 6670403407 is 7043040766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6670403407 - 2¹⁹ = 6669879119 is a prime.

It is a super-2 number, since 2×6670403407² = 88988563224234415298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670403437) 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, 1296694 + ... + 1301827.

It is an arithmetic number, because the mean of its divisors is an integer number (888694524).

Almost surely, 2^6670403407 is an apocalyptic number.

6670403407 is a deficient number, since it is larger than the sum of its proper divisors (439152785).

6670403407 is a wasteful number, since it uses less digits than its factorization.

6670403407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598689.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 6670403407 is about 81672.5376549547. The cubic root of 6670403407 is about 1882.4236328114.

The spelling of 6670403407 in words is "six billion, six hundred seventy million, four hundred three thousand, four hundred seven".