697097232 has 320 divisors, whose sum is σ = 2333184000. Its totient is φ = 197448192.

The previous prime is 697097227. The next prime is 697097239. The reversal of 697097232 is 232790796.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (697097239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5015019 + ... + 5015157.

It is an arithmetic number, because the mean of its divisors is an integer number (7291200).

Almost surely, 2^697097232 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 697097232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166592000).

697097232 is an abundant number, since it is smaller than the sum of its proper divisors (1636086768).

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

697097232 is a wasteful number, since it uses less digits than its factorization.

697097232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 697097232 is about 26402.5989629809. The cubic root of 697097232 is about 886.6749778431.

The spelling of 697097232 in words is "six hundred ninety-seven million, ninety-seven thousand, two hundred thirty-two".