64873080 has 96 divisors (see below), whose sum is σ = 217676160. Its totient is φ = 16738560.

The previous prime is 64873069. The next prime is 64873093. The reversal of 64873080 is 8037846.

64873080 is a `hidden beast` number, since 648 + 7 + 3 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8254 + ... + 14066.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2^64873080 is an apocalyptic number.

64873080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64873080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108838080).

64873080 is an abundant number, since it is smaller than the sum of its proper divisors (152803080).

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

64873080 is a wasteful number, since it uses less digits than its factorization.

64873080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5861 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 64873080 is about 8054.3826579074. The cubic root of 64873080 is about 401.8107076431.

The spelling of 64873080 in words is "sixty-four million, eight hundred seventy-three thousand, eighty".