64436006 has 4 divisors (see below), whose sum is σ = 96654012. Its totient is φ = 32218002.

The previous prime is 64436003. The next prime is 64436023. The reversal of 64436006 is 60063446.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64436006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64436003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16109000 + ... + 16109003.

It is an arithmetic number, because the mean of its divisors is an integer number (24163503).

Almost surely, 2^64436006 is an apocalyptic number.

64436006 is a deficient number, since it is larger than the sum of its proper divisors (32218006).

64436006 is a wasteful number, since it uses less digits than its factorization.

64436006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32218005.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 64436006 is about 8027.2041209876. The cubic root of 64436006 is about 400.9062908746.

The spelling of 64436006 in words is "sixty-four million, four hundred thirty-six thousand, six".