6840370 has 8 divisors (see below), whose sum is σ = 12312684. Its totient is φ = 2736144.

The previous prime is 6840359. The next prime is 6840371. The reversal of 6840370 is 730486.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 33489 = 2609^2 + 183^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6840371) 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, 342009 + ... + 342028.

Almost surely, 2^6840370 is an apocalyptic number.

6840370 is a deficient number, since it is larger than the sum of its proper divisors (5472314).

6840370 is a wasteful number, since it uses less digits than its factorization.

6840370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684044.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6840370 is about 2615.4101016858. The cubic root of 6840370 is about 189.8278218585.

The spelling of 6840370 in words is "six million, eight hundred forty thousand, three hundred seventy".