64436212 has 12 divisors (see below), whose sum is σ = 113181376. Its totient is φ = 32098680.

The previous prime is 64436209. The next prime is 64436213. The reversal of 64436212 is 21263446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64436213) 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, 28638 + ... + 30805.

Almost surely, 2^64436212 is an apocalyptic number.

It is an amenable number.

64436212 is a deficient number, since it is larger than the sum of its proper divisors (48745164).

64436212 is a wasteful number, since it uses less digits than its factorization.

64436212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59718 (or 59716 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 64436212 is about 8027.2169523441. The cubic root of 64436212 is about 400.9067181027.

Adding to 64436212 its reverse (21263446), we get a palindrome (85699658).

It can be divided in two parts, 644 and 36212, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 64436212 in words is "sixty-four million, four hundred thirty-six thousand, two hundred twelve".