65214880 has 48 divisors (see below), whose sum is σ = 154927080. Its totient is φ = 25940992.

The previous prime is 65214869. The next prime is 65214949. The reversal of 65214880 is 8841256.

It can be written as a sum of positive squares in 4 ways, for example, as 58308496 + 6906384 = 7636^2 + 2628^2 .

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, 30486 + ... + 32554.

Almost surely, 2^65214880 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 65214880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77463540).

65214880 is an abundant number, since it is smaller than the sum of its proper divisors (89712200).

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

65214880 is a wasteful number, since it uses less digits than its factorization.

65214880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 65214880 is about 8075.5730446823. The cubic root of 65214880 is about 402.5151518800.

The spelling of 65214880 in words is "sixty-five million, two hundred fourteen thousand, eight hundred eighty".