6746220 has 144 divisors (see below), whose sum is σ = 23355360. Its totient is φ = 1607040.

The previous prime is 6746219. The next prime is 6746231. The reversal of 6746220 is 226476.

6746220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6746220² = 91022968576800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217605 + ... + 217635.

It is an arithmetic number, because the mean of its divisors is an integer number (162190).

Almost surely, 2^6746220 is an apocalyptic number.

6746220 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 6746220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11677680).

6746220 is an abundant number, since it is smaller than the sum of its proper divisors (16609140).

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

6746220 is a wasteful number, since it uses less digits than its factorization.

6746220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6746220 is about 2597.3486481410. The cubic root of 6746220 is about 188.9528731076.

The spelling of 6746220 in words is "six million, seven hundred forty-six thousand, two hundred twenty".