8737046640 is a `hidden beast` number, since 87 + 3 + 70 + 466 + 40 = 666.
It is a congruent number.
Almost surely, 28737046640 is an apocalyptic number.
8737046640 is a gapful number since it is divisible by the number (80) 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 8737046640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19177344000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8737046640 is a wasteful number, since it uses less digits than its factorization.
8737046640 is an evil number, because the sum of its binary digits is even.
The square root of 8737046640 is about 93472.1704038159. The cubic root of 8737046640 is about 2059.6253002467.
The spelling of 8737046640 in words is "eight billion, seven hundred thirty-seven million, forty-six thousand, six hundred forty".