63340456 has 8 divisors (see below), whose sum is σ = 118763370. Its totient is φ = 31670224.

The previous prime is 63340451. The next prime is 63340457. The reversal of 63340456 is 65404336.

It can be written as a sum of positive squares in only one way, i.e., 58277956 + 5062500 = 7634^2 + 2250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (63340451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3958771 + ... + 3958786.

Almost surely, 2^63340456 is an apocalyptic number.

It is an amenable number.

63340456 is a deficient number, since it is larger than the sum of its proper divisors (55422914).

63340456 is a wasteful number, since it uses less digits than its factorization.

63340456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917563 (or 7917559 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 63340456 is about 7958.6717484766. The cubic root of 63340456 is about 398.6212027562.

The spelling of 63340456 in words is "sixty-three million, three hundred forty thousand, four hundred fifty-six".