6649370 has 32 divisors (see below), whose sum is σ = 14732928. Its totient is φ = 2104128.

The previous prime is 6649367. The next prime is 6649387. The reversal of 6649370 is 739466.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6649370.

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, 2744 + ... + 4563.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^6649370 is an apocalyptic number.

6649370 is an abundant number, since it is smaller than the sum of its proper divisors (8083558).

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

6649370 is a wasteful number, since it uses less digits than its factorization.

6649370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 6649370 is about 2578.6372369917. The cubic root of 6649370 is about 188.0442969407.

The spelling of 6649370 in words is "six million, six hundred forty-nine thousand, three hundred seventy".