7270447800 has 384 divisors, whose sum is σ = 29755952640. Its totient is φ = 1421721600.

The previous prime is 7270447799. The next prime is 7270447819. The reversal of 7270447800 is 87440727.

It is a super-2 number, since 2×7270447800² (a number of 21 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 780772 + ... + 790028.

It is an arithmetic number, because the mean of its divisors is an integer number (77489460).

Almost surely, 2^7270447800 is an apocalyptic number.

7270447800 is a gapful number since it is divisible by the number (70) 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 7270447800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14877976320).

7270447800 is an abundant number, since it is smaller than the sum of its proper divisors (22485504840).

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

7270447800 is a wasteful number, since it uses less digits than its factorization.

7270447800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311 (or 9302 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 7270447800 is about 85266.9209013671. The cubic root of 7270447800 is about 1937.2561735484.

The spelling of 7270447800 in words is "seven billion, two hundred seventy million, four hundred forty-seven thousand, eight hundred".