663070 has 16 divisors (see below), whose sum is σ = 1214208.
Its totient is φ = 260640.
The previous prime is 663053. The next prime is 663071. The reversal of 663070 is 70366.
Subtracting from 663070 its reverse (70366), we obtain a cube (592704 = 843).
It can be divided in two parts, 66 and 3070, that added together give a square (3136 = 562).
It is a happy number.
663070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (663071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 1153.
It is an arithmetic number, because the mean of its divisors is an integer number (75888).
2663070 is an apocalyptic number.
663070 is a deficient number, since it is larger than the sum of its proper divisors (551138).
663070 is a wasteful number, since it uses less digits than its factorization.
663070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1155.
The product of its (nonzero) digits is 756, while the sum is 22.
The square root of 663070 is about 814.2911027391.
The cubic root of 663070 is about 87.2006642207.
The spelling of 663070 in words is "six hundred sixty-three thousand, seventy".