65412080 has 20 divisors (see below), whose sum is σ = 152083272. Its totient is φ = 26164800.

The previous prime is 65412059. The next prime is 65412091. The reversal of 65412080 is 8021456.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408746 + ... + 408905.

Almost surely, 2^65412080 is an apocalyptic number.

It is an amenable number.

65412080 is an abundant number, since it is smaller than the sum of its proper divisors (86671192).

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

65412080 is a wasteful number, since it uses less digits than its factorization.

65412080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817664 (or 817658 counting only the distinct ones).

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

The square root of 65412080 is about 8087.7734884207. The cubic root of 65412080 is about 402.9204587418.

The spelling of 65412080 in words is "sixty-five million, four hundred twelve thousand, eighty".