65671012 has 48 divisors (see below), whose sum is σ = 130818240. Its totient is φ = 28582400.

The previous prime is 65670991. The next prime is 65671013. The reversal of 65671012 is 21017656.

It is not an unprimeable number, because it can be changed into a prime (65671013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106128 + ... + 106744.

It is an arithmetic number, because the mean of its divisors is an integer number (2725380).

Almost surely, 2^65671012 is an apocalyptic number.

It is an amenable number.

65671012 is a deficient number, since it is larger than the sum of its proper divisors (65147228).

65671012 is a wasteful number, since it uses less digits than its factorization.

65671012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 65671012 is about 8103.7652976872. The cubic root of 65671012 is about 403.4514087894.

Adding to 65671012 its reverse (21017656), we get a palindrome (86688668).

The spelling of 65671012 in words is "sixty-five million, six hundred seventy-one thousand, twelve".