65514480 has 80 divisors (see below), whose sum is σ = 210120480. Its totient is φ = 16866304.

The previous prime is 65514467. The next prime is 65514487. The reversal of 65514480 is 8441556.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65514487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (2626506).

Almost surely, 2^65514480 is an apocalyptic number.

65514480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65514480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105060240).

65514480 is an abundant number, since it is smaller than the sum of its proper divisors (144606000).

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

65514480 is a wasteful number, since it uses less digits than its factorization.

65514480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 65514480 is about 8094.1015560716. The cubic root of 65514480 is about 403.1306010880.

The spelling of 65514480 in words is "sixty-five million, five hundred fourteen thousand, four hundred eighty".