663076 has 12 divisors (see below), whose sum is σ = 1185408. Its totient is φ = 324392.

The previous prime is 663071. The next prime is 663097. The reversal of 663076 is 670366.

663076 = 95² + 96² + ... + 141².

It is a nialpdrome in base 7.

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 3 ways as a sum of consecutive naturals, for example, 1576 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2⁶⁶³⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

663076 is a deficient number, since it is larger than the sum of its proper divisors (522332).

663076 is a wasteful number, since it uses less digits than its factorization.

663076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 663076 is about 814.2947869169. The cubic root of 663076 is about 87.2009272409.

The spelling of 663076 in words is "six hundred sixty-three thousand, seventy-six".