63665342 has 12 divisors (see below), whose sum is σ = 103409640. Its totient is φ = 29383848.

The previous prime is 63665341. The next prime is 63665347. The reversal of 63665342 is 24356636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63665341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93842 + ... + 94517.

It is an arithmetic number, because the mean of its divisors is an integer number (8617470).

Almost surely, 2^63665342 is an apocalyptic number.

63665342 is a deficient number, since it is larger than the sum of its proper divisors (39744298).

63665342 is a wasteful number, since it uses less digits than its factorization.

63665342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188387 (or 188374 counting only the distinct ones).

The product of its digits is 77760, while the sum is 35.

The square root of 63665342 is about 7979.0564605096. The cubic root of 63665342 is about 399.3015770566.

The spelling of 63665342 in words is "sixty-three million, six hundred sixty-five thousand, three hundred forty-two".