6705407 has 4 divisors (see below), whose sum is σ = 6711600. Its totient is φ = 6699216.

The previous prime is 6705389. The next prime is 6705449. The reversal of 6705407 is 7045076.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6705407 - 2¹² = 6701311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6705407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6755407) 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, 998 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (1677900).

Almost surely, 2^6705407 is an apocalyptic number.

6705407 is a deficient number, since it is larger than the sum of its proper divisors (6193).

6705407 is a wasteful number, since it uses less digits than its factorization.

6705407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6192.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 6705407 is about 2589.4800636421. The cubic root of 6705407 is about 188.5710623818.

The spelling of 6705407 in words is "six million, seven hundred five thousand, four hundred seven".