64814042 has 8 divisors (see below), whose sum is σ = 98223636. Its totient is φ = 32072832.

The previous prime is 64814041. The next prime is 64814063. The reversal of 64814042 is 24041846.

It can be written as a sum of positive squares in 2 ways, for example, as 56685841 + 8128201 = 7529^2 + 2851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64813996 and 64814014.

It is not an unprimeable number, because it can be changed into a prime (64814041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166853 + ... + 167240.

Almost surely, 2^64814042 is an apocalyptic number.

64814042 is a deficient number, since it is larger than the sum of its proper divisors (33409594).

64814042 is a wasteful number, since it uses less digits than its factorization.

64814042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334192.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 64814042 is about 8050.7168624912. The cubic root of 64814042 is about 401.6887808474.

Adding to 64814042 its reverse (24041846), we get a palindrome (88855888).

The spelling of 64814042 in words is "sixty-four million, eight hundred fourteen thousand, forty-two".