65312912 has 40 divisors (see below), whose sum is σ = 153133056. Its totient is φ = 26343936.

The previous prime is 65312911. The next prime is 65312927. The reversal of 65312912 is 21921356.

It is not an unprimeable number, because it can be changed into a prime (65312911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15248 + ... + 19055.

Almost surely, 2^65312912 is an apocalyptic number.

It is an amenable number.

65312912 is an abundant number, since it is smaller than the sum of its proper divisors (87820144).

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

65312912 is a wasteful number, since it uses less digits than its factorization.

65312912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34335 (or 34329 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 65312912 is about 8081.6404275370. The cubic root of 65312912 is about 402.7167398708.

The spelling of 65312912 in words is "sixty-five million, three hundred twelve thousand, nine hundred twelve".