64340612 has 24 divisors (see below), whose sum is σ = 135455040. Its totient is φ = 26123040.

The previous prime is 64340611. The next prime is 64340623. The reversal of 64340612 is 21604346.

It is not an unprimeable number, because it can be changed into a prime (64340611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59939 + ... + 61002.

It is an arithmetic number, because the mean of its divisors is an integer number (5643960).

Almost surely, 2^64340612 is an apocalyptic number.

It is an amenable number.

64340612 is an abundant number, since it is smaller than the sum of its proper divisors (71114428).

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

64340612 is a wasteful number, since it uses less digits than its factorization.

64340612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120971 (or 120969 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 64340612 is about 8021.2600007729. The cubic root of 64340612 is about 400.7083531823.

Adding to 64340612 its reverse (21604346), we get a palindrome (85944958).

The spelling of 64340612 in words is "sixty-four million, three hundred forty thousand, six hundred twelve".