64723600120 has 64 divisors (see below), whose sum is σ = 151364311200. Its totient is φ = 24878138880.

The previous prime is 64723600079. The next prime is 64723600127. The reversal of 64723600120 is 2100632746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64723600127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112542 + ... + 376978.

Almost surely, 2^64723600120 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 64723600120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75682155600).

64723600120 is an abundant number, since it is smaller than the sum of its proper divisors (86640711080).

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

64723600120 is a wasteful number, since it uses less digits than its factorization.

64723600120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264688 (or 264684 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 64723600120 in words is "sixty-four billion, seven hundred twenty-three million, six hundred thousand, one hundred twenty".