8073620280 has 192 divisors, whose sum is σ = 30308709600. Its totient is φ = 1842094080.

The previous prime is 8073620267. The next prime is 8073620309. The reversal of 8073620280 is 820263708.

It is a happy number.

8073620280 is a `hidden beast` number, since 8 + 0 + 7 + 3 + 620 + 28 + 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7356 + ... + 127284.

Almost surely, 2^8073620280 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 8073620280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15154354800).

8073620280 is an abundant number, since it is smaller than the sum of its proper divisors (22235089320).

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

8073620280 is a wasteful number, since it uses less digits than its factorization.

8073620280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119974 (or 119967 counting only the distinct ones).

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

The square root of 8073620280 is about 89853.3264826628. The cubic root of 8073620280 is about 2006.1162997052.

Adding to 8073620280 its reverse (820263708), we get a palindrome (8893883988).

The spelling of 8073620280 in words is "eight billion, seventy-three million, six hundred twenty thousand, two hundred eighty".