64310960 has 80 divisors (see below), whose sum is σ = 175113792. Its totient is φ = 21504000.

The previous prime is 64310947. The next prime is 64310971. The reversal of 64310960 is 6901346.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×64310960² = 8271799152243200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21560 + ... + 24360.

Almost surely, 2^64310960 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 64310960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87556896).

64310960 is an abundant number, since it is smaller than the sum of its proper divisors (110802832).

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

64310960 is a wasteful number, since it uses less digits than its factorization.

64310960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 64310960 is about 8019.4114497262. The cubic root of 64310960 is about 400.6467869363.

The spelling of 64310960 in words is "sixty-four million, three hundred ten thousand, nine hundred sixty".