64436060 has 48 divisors (see below), whose sum is σ = 148853376. Its totient is φ = 23281152.

The previous prime is 64436023. The next prime is 64436077. The reversal of 64436060 is 6063446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9584 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (3101112).

Almost surely, 2^64436060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64436060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74426688).

64436060 is an abundant number, since it is smaller than the sum of its proper divisors (84417316).

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

64436060 is a wasteful number, since it uses less digits than its factorization.

64436060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5340 counting only the distinct ones).

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

The square root of 64436060 is about 8027.2074845490. The cubic root of 64436060 is about 400.9064028665.

The spelling of 64436060 in words is "sixty-four million, four hundred thirty-six thousand, sixty".