6724620 has 120 divisors (see below), whose sum is σ = 24149664. Its totient is φ = 1534464.

The previous prime is 6724609. The next prime is 6724621. The reversal of 6724620 is 264276.

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 (6724621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11044 + ... + 11636.

Almost surely, 2^6724620 is an apocalyptic number.

6724620 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 6724620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12074832).

6724620 is an abundant number, since it is smaller than the sum of its proper divisors (17425044).

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

6724620 is a wasteful number, since it uses less digits than its factorization.

6724620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 610 counting only the distinct ones).

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

The square root of 6724620 is about 2593.1872281037. The cubic root of 6724620 is about 188.7509948342.

Adding to 6724620 its reverse (264276), we get a palindrome (6988896).

The spelling of 6724620 in words is "six million, seven hundred twenty-four thousand, six hundred twenty".