6670740403 has 4 divisors (see below), whose sum is σ = 6671134840. Its totient is φ = 6670345968.

The previous prime is 6670740383. The next prime is 6670740407. The reversal of 6670740403 is 3040470766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3040470766 = 2 ⋅1520235383.

It is a cyclic number.

It is not a de Polignac number, because 6670740403 - 2²¹ = 6668643251 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170658 + ... + 206071.

It is an arithmetic number, because the mean of its divisors is an integer number (1667783710).

Almost surely, 2^6670740403 is an apocalyptic number.

6670740403 is a deficient number, since it is larger than the sum of its proper divisors (394437).

6670740403 is a wasteful number, since it uses less digits than its factorization.

6670740403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394436.

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

The square root of 6670740403 is about 81674.6007213993. The cubic root of 6670740403 is about 1882.4553329707.

The spelling of 6670740403 in words is "six billion, six hundred seventy million, seven hundred forty thousand, four hundred three".