64434206 has 16 divisors (see below), whose sum is σ = 104222160. Its totient is φ = 29776320.

The previous prime is 64434203. The next prime is 64434241. The reversal of 64434206 is 60243446.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64434203) 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, 19121 + ... + 22236.

It is an arithmetic number, because the mean of its divisors is an integer number (6513885).

Almost surely, 2^64434206 is an apocalyptic number.

64434206 is a deficient number, since it is larger than the sum of its proper divisors (39787954).

64434206 is a wasteful number, since it uses less digits than its factorization.

64434206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41419.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 64434206 is about 8027.0920014660. The cubic root of 64434206 is about 400.9025577753.

The spelling of 64434206 in words is "sixty-four million, four hundred thirty-four thousand, two hundred six".