65012480 has 72 divisors (see below), whose sum is σ = 167746992. Its totient is φ = 23998464.

The previous prime is 65012477. The next prime is 65012531. The reversal of 65012480 is 8421056.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14687 + ... + 18593.

Almost surely, 2^65012480 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 65012480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83873496).

65012480 is an abundant number, since it is smaller than the sum of its proper divisors (102734512).

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

65012480 is a wasteful number, since it uses less digits than its factorization.

65012480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 65012480 is about 8063.0316878951. The cubic root of 65012480 is about 402.0983068570.

The spelling of 65012480 in words is "sixty-five million, twelve thousand, four hundred eighty".