64915468 has 12 divisors (see below), whose sum is σ = 115464832. Its totient is φ = 31925520.

The previous prime is 64915463. The next prime is 64915471. The reversal of 64915468 is 86451946.

It is not an unprimeable number, because it can be changed into a prime (64915463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132780 + ... + 133267.

Almost surely, 2^64915468 is an apocalyptic number.

It is an amenable number.

64915468 is a deficient number, since it is larger than the sum of its proper divisors (50549364).

64915468 is a wasteful number, since it uses less digits than its factorization.

64915468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266112 (or 266110 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 64915468 is about 8057.0135906550. The cubic root of 64915468 is about 401.8982028161.

The spelling of 64915468 in words is "sixty-four million, nine hundred fifteen thousand, four hundred sixty-eight".