6705397 has 4 divisors (see below), whose sum is σ = 6996960. Its totient is φ = 6413836.

The previous prime is 6705389. The next prime is 6705449. The reversal of 6705397 is 7935076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6705397 - 2³ = 6705389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705367) 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, 145747 + ... + 145792.

It is an arithmetic number, because the mean of its divisors is an integer number (1749240).

Almost surely, 2^6705397 is an apocalyptic number.

It is an amenable number.

6705397 is a deficient number, since it is larger than the sum of its proper divisors (291563).

6705397 is a wasteful number, since it uses less digits than its factorization.

6705397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291562.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 6705397 is about 2589.4781327518. The cubic root of 6705397 is about 188.5709686409.

The spelling of 6705397 in words is "six million, seven hundred five thousand, three hundred ninety-seven".