6729975 has 36 divisors (see below), whose sum is σ = 13779376. Its totient is φ = 3075840.

The previous prime is 6729911. The next prime is 6729991. The reversal of 6729975 is 5799276.

6729975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6729975 - 2⁶ = 6729911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 6729975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 562 + ... + 3711.

Almost surely, 2^6729975 is an apocalyptic number.

6729975 is an abundant number, since it is smaller than the sum of its proper divisors (7049401).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6729975 is a wasteful number, since it uses less digits than its factorization.

6729975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4288 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 6729975 is about 2594.2195358142. The cubic root of 6729975 is about 188.8010840782.

The spelling of 6729975 in words is "six million, seven hundred twenty-nine thousand, nine hundred seventy-five".