64814960 has 40 divisors (see below), whose sum is σ = 172224096. Its totient is φ = 22222080.

The previous prime is 64814957. The next prime is 64814963. The reversal of 64814960 is 6941846.

It is an interprime number because it is at equal distance from previous prime (64814957) and next prime (64814963).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64814963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57311 + ... + 58430.

Almost surely, 2^64814960 is an apocalyptic number.

It is an amenable number.

64814960 is an abundant number, since it is smaller than the sum of its proper divisors (107409136).

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

64814960 is a wasteful number, since it uses less digits than its factorization.

64814960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115761 (or 115755 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 64814960 is about 8050.7738758457. The cubic root of 64814960 is about 401.6906772911.

The spelling of 64814960 in words is "sixty-four million, eight hundred fourteen thousand, nine hundred sixty".