6673320 has 128 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 1721088.

The previous prime is 6673319. The next prime is 6673321. The reversal of 6673320 is 233766.

6673320 = 111² + 112² + ... + 277².

It is an interprime number because it is at equal distance from previous prime (6673319) and next prime (6673321).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6673321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39877 + ... + 40043.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^6673320 is an apocalyptic number.

6673320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6673320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11491200).

6673320 is an abundant number, since it is smaller than the sum of its proper divisors (16309080).

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

6673320 is a wasteful number, since it uses less digits than its factorization.

6673320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 6673320 is about 2583.2769886328. The cubic root of 6673320 is about 188.2697952232.

The spelling of 6673320 in words is "six million, six hundred seventy-three thousand, three hundred twenty".