6615672 has 64 divisors (see below), whose sum is σ = 19284480. Its totient is φ = 1852032.

The previous prime is 6615671. The next prime is 6615677. The reversal of 6615672 is 2765166.

6615672 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6615672³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8533 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^6615672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6615672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9642240).

6615672 is an abundant number, since it is smaller than the sum of its proper divisors (12668808).

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

6615672 is a wasteful number, since it uses less digits than its factorization.

6615672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 808 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 6615672 is about 2572.0948660576. The cubic root of 6615672 is about 187.7260988024.

The spelling of 6615672 in words is "six million, six hundred fifteen thousand, six hundred seventy-two".