6670740401 has 4 divisors (see below), whose sum is σ = 7183874292. Its totient is φ = 6157606512.

The previous prime is 6670740383. The next prime is 6670740407. The reversal of 6670740401 is 1040470766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4192692001 + 2478048400 = 64751^2 + 49780^2 .

It is a cyclic number.

It is not a de Polignac number, because 6670740401 - 2⁶ = 6670740337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6670740407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256566926 + ... + 256566951.

It is an arithmetic number, because the mean of its divisors is an integer number (1795968573).

Almost surely, 2^6670740401 is an apocalyptic number.

It is an amenable number.

6670740401 is a deficient number, since it is larger than the sum of its proper divisors (513133891).

6670740401 is a wasteful number, since it uses less digits than its factorization.

6670740401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513133890.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 6670740401 is about 81674.6007091556. The cubic root of 6670740401 is about 1882.4553327826.

The spelling of 6670740401 in words is "six billion, six hundred seventy million, seven hundred forty thousand, four hundred one".