663474374 has 16 divisors (see below), whose sum is σ = 1007596800. Its totient is φ = 327623424.

The previous prime is 663474373. The next prime is 663474379. The reversal of 663474374 is 473474366.

It is a happy number.

663474374 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 (663474373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95387 + ... + 102105.

It is an arithmetic number, because the mean of its divisors is an integer number (62974800).

Almost surely, 2^663474374 is an apocalyptic number.

663474374 is a deficient number, since it is larger than the sum of its proper divisors (344122426).

663474374 is a wasteful number, since it uses less digits than its factorization.

663474374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7327.

The product of its digits is 1016064, while the sum is 44.

The square root of 663474374 is about 25757.9963118252. The cubic root of 663474374 is about 872.1838709348.

The spelling of 663474374 in words is "six hundred sixty-three million, four hundred seventy-four thousand, three hundred seventy-four".