6973990 has 8 divisors (see below), whose sum is σ = 12553200. Its totient is φ = 2789592.

The previous prime is 6973987. The next prime is 6973999. The reversal of 6973990 is 993796.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6973999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348690 + ... + 348709.

It is an arithmetic number, because the mean of its divisors is an integer number (1569150).

Almost surely, 2^6973990 is an apocalyptic number.

6973990 is a deficient number, since it is larger than the sum of its proper divisors (5579210).

6973990 is a wasteful number, since it uses less digits than its factorization.

6973990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697406.

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

The square root of 6973990 is about 2640.8313085087. The cubic root of 6973990 is about 191.0558940242.

The spelling of 6973990 in words is "six million, nine hundred seventy-three thousand, nine hundred ninety".