64934960 has 40 divisors (see below), whose sum is σ = 153055680. Its totient is φ = 25615872.

The previous prime is 64934941. The next prime is 64934971. The reversal of 64934960 is 6943946.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 11399.

It is an arithmetic number, because the mean of its divisors is an integer number (3826392).

Almost surely, 2^64934960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64934960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76527840).

64934960 is an abundant number, since it is smaller than the sum of its proper divisors (88120720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64934960 is a wasteful number, since it uses less digits than its factorization.

64934960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205 (or 11199 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 64934960 is about 8058.2231292016. The cubic root of 64934960 is about 401.9384244359.

The spelling of 64934960 in words is "sixty-four million, nine hundred thirty-four thousand, nine hundred sixty".