697827328 has 80 divisors (see below), whose sum is σ = 1535113800. Its totient is φ = 317194240.

The previous prime is 697827313. The next prime is 697827331. The reversal of 697827328 is 823728796.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63438843 + ... + 63438853.

Almost surely, 2^697827328 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 697827328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767556900).

697827328 is an abundant number, since it is smaller than the sum of its proper divisors (837286472).

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

697827328 is an frugal number, since it uses more digits than its factorization.

697827328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 13 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 697827328 is about 26416.4215593256. The cubic root of 697827328 is about 886.9844191260.

The spelling of 697827328 in words is "six hundred ninety-seven million, eight hundred twenty-seven thousand, three hundred twenty-eight".