64842012 has 48 divisors (see below), whose sum is σ = 178002720. Its totient is φ = 20342016.

The previous prime is 64841989. The next prime is 64842023. The reversal of 64842012 is 21024846.

64842012 is a `hidden beast` number, since 648 + 4 + 2 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15823 + ... + 19494.

It is an arithmetic number, because the mean of its divisors is an integer number (3708390).

Almost surely, 2^64842012 is an apocalyptic number.

It is an amenable number.

64842012 is an abundant number, since it is smaller than the sum of its proper divisors (113160708).

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

64842012 is a wasteful number, since it uses less digits than its factorization.

64842012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35347 (or 35339 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 64842012 is about 8052.4537875110. The cubic root of 64842012 is about 401.7465544361.

Adding to 64842012 its reverse (21024846), we get a palindrome (85866858).

The spelling of 64842012 in words is "sixty-four million, eight hundred forty-two thousand, twelve".