6897072 has 80 divisors (see below), whose sum is σ = 21943040. Its totient is φ = 1817856.

The previous prime is 6896999. The next prime is 6897073. The reversal of 6897072 is 2707986.

6897072 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6897072.

It is not an unprimeable number, because it can be changed into a prime (6897073) 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, 3579 + ... + 5157.

It is an arithmetic number, because the mean of its divisors is an integer number (274288).

Almost surely, 2^6897072 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 6897072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10971520).

6897072 is an abundant number, since it is smaller than the sum of its proper divisors (15045968).

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

6897072 is a wasteful number, since it uses less digits than its factorization.

6897072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 6897072 is about 2626.2277128992. The cubic root of 6897072 is about 190.3508935808.

The spelling of 6897072 in words is "six million, eight hundred ninety-seven thousand, seventy-two".