64768468 has 6 divisors (see below), whose sum is σ = 113344826. Its totient is φ = 32384232.

The previous prime is 64768439. The next prime is 64768471. The reversal of 64768468 is 86486746.

It can be written as a sum of positive squares in only one way, i.e., 56370064 + 8398404 = 7508^2 + 2898^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8096055 + ... + 8096062.

Almost surely, 2^64768468 is an apocalyptic number.

It is an amenable number.

64768468 is a deficient number, since it is larger than the sum of its proper divisors (48576358).

64768468 is a wasteful number, since it uses less digits than its factorization.

64768468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16192121 (or 16192119 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 64768468 is about 8047.8859335853. The cubic root of 64768468 is about 401.5946096032.

The spelling of 64768468 in words is "sixty-four million, seven hundred sixty-eight thousand, four hundred sixty-eight".