6897623040 has 896 divisors, whose sum is σ = 30952074240. Its totient is φ = 1433272320.

The previous prime is 6897623023. The next prime is 6897623081. The reversal of 6897623040 is 403267986.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627056635 + ... + 627056645.

Almost surely, 2^6897623040 is an apocalyptic number.

6897623040 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 6897623040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15476037120).

6897623040 is an abundant number, since it is smaller than the sum of its proper divisors (24054451200).

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

6897623040 is an frugal number, since it uses more digits than its factorization.

6897623040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6897623040 is about 83051.9297789040. The cubic root of 6897623040 is about 1903.5596279294.

The spelling of 6897623040 in words is "six billion, eight hundred ninety-seven million, six hundred twenty-three thousand, forty".