663032794 has 4 divisors (see below), whose sum is σ = 994549194. Its totient is φ = 331516396.

The previous prime is 663032761. The next prime is 663032803. The reversal of 663032794 is 497230366.

663032794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 644499769 + 18533025 = 25387^2 + 4305^2 .

It is a super-2 number, since 2×663032794² = 879224971838892872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165758197 + ... + 165758200.

Almost surely, 2^663032794 is an apocalyptic number.

663032794 is a deficient number, since it is larger than the sum of its proper divisors (331516400).

663032794 is a wasteful number, since it uses less digits than its factorization.

663032794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331516399.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 663032794 is about 25749.4231780054. The cubic root of 663032794 is about 871.9903319706.

The spelling of 663032794 in words is "six hundred sixty-three million, thirty-two thousand, seven hundred ninety-four".