64341818 has 4 divisors (see below), whose sum is σ = 96512730. Its totient is φ = 32170908.

The previous prime is 64341817. The next prime is 64341839. The reversal of 64341818 is 81814346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56145049 + 8196769 = 7493^2 + 2863^2 .

It is not an unprimeable number, because it can be changed into a prime (64341817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16085453 + ... + 16085456.

Almost surely, 2^64341818 is an apocalyptic number.

64341818 is a deficient number, since it is larger than the sum of its proper divisors (32170912).

64341818 is a wasteful number, since it uses less digits than its factorization.

64341818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32170911.

The product of its digits is 18432, while the sum is 35.

The square root of 64341818 is about 8021.3351756425. The cubic root of 64341818 is about 400.7108567915.

The spelling of 64341818 in words is "sixty-four million, three hundred forty-one thousand, eight hundred eighteen".