63340542 has 20 divisors (see below), whose sum is σ = 141930096. Its totient is φ = 21113460.

The previous prime is 63340523. The next prime is 63340601. The reversal of 63340542 is 24504336.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 195334 + ... + 195657.

Almost surely, 2^63340542 is an apocalyptic number.

63340542 is an abundant number, since it is smaller than the sum of its proper divisors (78589554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63340542 is a wasteful number, since it uses less digits than its factorization.

63340542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391005 (or 390996 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 63340542 is about 7958.6771513864. The cubic root of 63340542 is about 398.6213831644.

Adding to 63340542 its reverse (24504336), we get a palindrome (87844878).

The spelling of 63340542 in words is "sixty-three million, three hundred forty thousand, five hundred forty-two".