6979407 has 4 divisors (see below), whose sum is σ = 9305880. Its totient is φ = 4652936.

The previous prime is 6979393. The next prime is 6979429. The reversal of 6979407 is 7049796.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6979407 - 2⁴ = 6979391 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979477) 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, 1163232 + ... + 1163237.

It is an arithmetic number, because the mean of its divisors is an integer number (2326470).

Almost surely, 2^6979407 is an apocalyptic number.

6979407 is a deficient number, since it is larger than the sum of its proper divisors (2326473).

6979407 is a wasteful number, since it uses less digits than its factorization.

6979407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326472.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6979407 is about 2641.8567334358. The cubic root of 6979407 is about 191.1053483505.

The spelling of 6979407 in words is "six million, nine hundred seventy-nine thousand, four hundred seven".