6909973 has 8 divisors (see below), whose sum is σ = 8361792. Its totient is φ = 5574336.

The previous prime is 6909967. The next prime is 6909983. The reversal of 6909973 is 3799096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6909973 - 2⁵ = 6909941 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 (6909923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28915 + ... + 29152.

It is an arithmetic number, because the mean of its divisors is an integer number (1045224).

Almost surely, 2^6909973 is an apocalyptic number.

It is an amenable number.

6909973 is a deficient number, since it is larger than the sum of its proper divisors (1451819).

6909973 is a wasteful number, since it uses less digits than its factorization.

6909973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58091.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 6909973 is about 2628.6827499719. The cubic root of 6909973 is about 190.4695036869.

The spelling of 6909973 in words is "six million, nine hundred nine thousand, nine hundred seventy-three".