It is a nialpdrome in base 15.
It is a congruent number.
It is an unprimeable number.
2702240 is an apocalyptic number.
702240 is a gapful number since it is divisible by the number (70) 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 702240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
702240 is a wasteful number, since it uses less digits than its factorization.
702240 is an odious number, because the sum of its binary digits is odd.
The square root of 702240 is about 837.9976133618. The cubic root of 702240 is about 88.8850090899.
Adding to 702240 its reverse (42207), we get a palindrome (744447).
The spelling of 702240 in words is "seven hundred two thousand, two hundred forty", and thus it is an iban number.