63457338 has 16 divisors (see below), whose sum is σ = 145045440. Its totient is φ = 18130656.

The previous prime is 63457337. The next prime is 63457343. The reversal of 63457338 is 83375436.

It is a junction number, because it is equal to n+sod(n) for n = 63457296 and 63457305.

It is not an unprimeable number, because it can be changed into a prime (63457337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755403 + ... + 755486.

It is an arithmetic number, because the mean of its divisors is an integer number (9065340).

Almost surely, 2^63457338 is an apocalyptic number.

63457338 is an abundant number, since it is smaller than the sum of its proper divisors (81588102).

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

63457338 is a wasteful number, since it uses less digits than its factorization.

63457338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510901.

The product of its digits is 181440, while the sum is 39.

The square root of 63457338 is about 7966.0114235419. The cubic root of 63457338 is about 398.8662436944.

The spelling of 63457338 in words is "sixty-three million, four hundred fifty-seven thousand, three hundred thirty-eight".