64072212 has 24 divisors (see below), whose sum is σ = 149940000. Its totient is φ = 21294816.

The previous prime is 64072187. The next prime is 64072213. The reversal of 64072212 is 21227046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64072213) 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, 3462 + ... + 11837.

It is an arithmetic number, because the mean of its divisors is an integer number (6247500).

Almost surely, 2^64072212 is an apocalyptic number.

It is an amenable number.

64072212 is an abundant number, since it is smaller than the sum of its proper divisors (85867788).

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

64072212 is a wasteful number, since it uses less digits than its factorization.

64072212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655 (or 15653 counting only the distinct ones).

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

The square root of 64072212 is about 8004.5119776286. The cubic root of 64072212 is about 400.1503851204.

Adding to 64072212 its reverse (21227046), we get a palindrome (85299258).

The spelling of 64072212 in words is "sixty-four million, seventy-two thousand, two hundred twelve".