8070721200 has 480 divisors, whose sum is σ = 31084121600. Its totient is φ = 1981946880.

The previous prime is 8070721193. The next prime is 8070721247. The reversal of 8070721200 is 21270708.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7591869 + ... + 7592931.

Almost surely, 2^8070721200 is an apocalyptic number.

8070721200 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 8070721200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15542060800).

8070721200 is an abundant number, since it is smaller than the sum of its proper divisors (23013400400).

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

8070721200 is a wasteful number, since it uses less digits than its factorization.

8070721200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 8070721200 is about 89837.1927433176. The cubic root of 8070721200 is about 2005.8761518449.

Adding to 8070721200 its reverse (21270708), we get a palindrome (8091991908).

The spelling of 8070721200 in words is "eight billion, seventy million, seven hundred twenty-one thousand, two hundred".