64412512 has 24 divisors (see below), whose sum is σ = 132327216. Its totient is φ = 30805632.

The previous prime is 64412503. The next prime is 64412533. The reversal of 64412512 is 21521446.

It is a happy number.

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, 43023 + ... + 44494.

It is an arithmetic number, because the mean of its divisors is an integer number (5513634).

Almost surely, 2^64412512 is an apocalyptic number.

It is an amenable number.

64412512 is an abundant number, since it is smaller than the sum of its proper divisors (67914704).

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

64412512 is a wasteful number, since it uses less digits than its factorization.

64412512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87550 (or 87542 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 64412512 is about 8025.7405888803. The cubic root of 64412512 is about 400.8575601625.

Adding to 64412512 its reverse (21521446), we get a palindrome (85933958).

The spelling of 64412512 in words is "sixty-four million, four hundred twelve thousand, five hundred twelve".