64719896 has 16 divisors (see below), whose sum is σ = 122237640. Its totient is φ = 32123200.

The previous prime is 64719877. The next prime is 64719911. The reversal of 64719896 is 69891746.

64719896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28430 + ... + 30621.

Almost surely, 2^64719896 is an apocalyptic number.

It is an amenable number.

64719896 is a deficient number, since it is larger than the sum of its proper divisors (57517744).

64719896 is a wasteful number, since it uses less digits than its factorization.

64719896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59194 (or 59190 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 64719896 is about 8044.8676807018. The cubic root of 64719896 is about 401.4941948379.

The spelling of 64719896 in words is "sixty-four million, seven hundred nineteen thousand, eight hundred ninety-six".