64430012 has 12 divisors (see below), whose sum is σ = 112825440. Its totient is φ = 32194176.

The previous prime is 64430011. The next prime is 64430029. The reversal of 64430012 is 21003446.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64430011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3293 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (9402120).

Almost surely, 2^64430012 is an apocalyptic number.

It is an amenable number.

64430012 is a deficient number, since it is larger than the sum of its proper divisors (48395428).

64430012 is a wasteful number, since it uses less digits than its factorization.

64430012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420 (or 10418 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 64430012 is about 8026.8307569052. The cubic root of 64430012 is about 400.8938593840.

Adding to 64430012 its reverse (21003446), we get a palindrome (85433458).

The spelling of 64430012 in words is "sixty-four million, four hundred thirty thousand, twelve".