663675430 has 32 divisors (see below), whose sum is σ = 1304978688. Its totient is φ = 241010400.

The previous prime is 663675421. The next prime is 663675437. The reversal of 663675430 is 34576366.

663675430 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 (663675437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86865 + ... + 94195.

It is an arithmetic number, because the mean of its divisors is an integer number (40780584).

Almost surely, 2^663675430 is an apocalyptic number.

663675430 is a deficient number, since it is larger than the sum of its proper divisors (641303258).

663675430 is a wasteful number, since it uses less digits than its factorization.

663675430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172.

The product of its (nonzero) digits is 272160, while the sum is 40.

The square root of 663675430 is about 25761.8988042419. The cubic root of 663675430 is about 872.2719628024.

The spelling of 663675430 in words is "six hundred sixty-three million, six hundred seventy-five thousand, four hundred thirty".