663074938 has 8 divisors (see below), whose sum is σ = 994962132. Its totient is φ = 331420896.

The previous prime is 663074927. The next prime is 663074957. The reversal of 663074938 is 839470366.

It can be written as a sum of positive squares in 2 ways, for example, as 466430409 + 196644529 = 21597^2 + 14023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50995 + ... + 62662.

Almost surely, 2^663074938 is an apocalyptic number.

663074938 is a deficient number, since it is larger than the sum of its proper divisors (331887194).

663074938 is a wasteful number, since it uses less digits than its factorization.

663074938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116576.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 663074938 is about 25750.2415134305. The cubic root of 663074938 is about 872.0088068647.

The spelling of 663074938 in words is "six hundred sixty-three million, seventy-four thousand, nine hundred thirty-eight".