663754934 has 8 divisors (see below), whose sum is σ = 1014418080. Its totient is φ = 325615576.

The previous prime is 663754933. The next prime is 663754937. The reversal of 663754934 is 439457366.

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

It is a super-2 number, since 2×663754934² = 881141224818688712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663754933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130814 + ... + 3131025.

It is an arithmetic number, because the mean of its divisors is an integer number (126802260).

Almost surely, 2^663754934 is an apocalyptic number.

663754934 is a deficient number, since it is larger than the sum of its proper divisors (350663146).

663754934 is a wasteful number, since it uses less digits than its factorization.

663754934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261894.

The product of its digits is 1632960, while the sum is 47.

The square root of 663754934 is about 25763.4418119940. The cubic root of 663754934 is about 872.3067922477.

The spelling of 663754934 in words is "six hundred sixty-three million, seven hundred fifty-four thousand, nine hundred thirty-four".