64270212 has 12 divisors (see below), whose sum is σ = 149963856. Its totient is φ = 21423400.

The previous prime is 64270201. The next prime is 64270231. The reversal of 64270212 is 21207246.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2677914 + ... + 2677937.

It is an arithmetic number, because the mean of its divisors is an integer number (12496988).

Almost surely, 2^64270212 is an apocalyptic number.

It is an amenable number.

64270212 is an abundant number, since it is smaller than the sum of its proper divisors (85693644).

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

64270212 is a wasteful number, since it uses less digits than its factorization.

64270212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355858 (or 5355856 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 64270212 is about 8016.8704617201. The cubic root of 64270212 is about 400.5621512615.

Adding to 64270212 its reverse (21207246), we get a palindrome (85477458).

The spelling of 64270212 in words is "sixty-four million, two hundred seventy thousand, two hundred twelve".