64873016 has 32 divisors (see below), whose sum is σ = 131804400. Its totient is φ = 29933280.

The previous prime is 64873013. The next prime is 64873027. The reversal of 64873016 is 61037846.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64873013) 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, 15731 + ... + 19421.

Almost surely, 2^64873016 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 64873016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65902200).

64873016 is an abundant number, since it is smaller than the sum of its proper divisors (66931384).

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

64873016 is a wasteful number, since it uses less digits than its factorization.

64873016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 64873016 is about 8054.3786849142. The cubic root of 64873016 is about 401.8105755087.

The spelling of 64873016 in words is "sixty-four million, eight hundred seventy-three thousand, sixteen".