63798738 has 16 divisors (see below), whose sum is σ = 127876320. Its totient is φ = 21219776.

The previous prime is 63798737. The next prime is 63798781. The reversal of 63798738 is 83789736.

It is not an unprimeable number, because it can be changed into a prime (63798731) 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 7 ways as a sum of consecutive naturals, for example, 8583 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (7992270).

Almost surely, 2^63798738 is an apocalyptic number.

63798738 is an abundant number, since it is smaller than the sum of its proper divisors (64077582).

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

63798738 is a wasteful number, since it uses less digits than its factorization.

63798738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23241.

The product of its digits is 1524096, while the sum is 51.

The square root of 63798738 is about 7987.4112201639. The cubic root of 63798738 is about 399.5802638747.

The spelling of 63798738 in words is "sixty-three million, seven hundred ninety-eight thousand, seven hundred thirty-eight".