6929975 has 12 divisors (see below), whose sum is σ = 9254616. Its totient is φ = 5117280.

The previous prime is 6929953. The next prime is 6929981. The reversal of 6929975 is 5799296.

It is not a de Polignac number, because 6929975 - 2¹⁰ = 6928951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10337 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (771218).

Almost surely, 2^6929975 is an apocalyptic number.

6929975 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6929975 is a deficient number, since it is larger than the sum of its proper divisors (2324641).

6929975 is a wasteful number, since it uses less digits than its factorization.

6929975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21346 (or 21341 counting only the distinct ones).

The product of its digits is 306180, while the sum is 47.

The square root of 6929975 is about 2632.4845678560. The cubic root of 6929975 is about 190.6531079219.

The spelling of 6929975 in words is "six million, nine hundred twenty-nine thousand, nine hundred seventy-five".