7203000000 has 490 divisors, whose sum is σ = 27790816148. Its totient is φ = 1646400000.

The previous prime is 7202999963. The next prime is 7203000029. The reversal of 7203000000 is 3027.

It is a tau number, because it is divible by the number of its divisors (490).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7203000000.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 1028999997 + ... + 1029000003.

Almost surely, 2^7203000000 is an apocalyptic number.

7203000000 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 7203000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13895408074).

7203000000 is an abundant number, since it is smaller than the sum of its proper divisors (20587816148).

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

7203000000 is an frugal number, since it uses more digits than its factorization.

7203000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 7203000000 is about 84870.4895708750. The cubic root of 7203000000 is about 1931.2469234668.

Multiplying 7203000000 by its sum of digits (12), we get a square (86436000000 = 294000²).

7203000000 divided by its sum of digits (12) gives a square (600250000 = 24500²).

Adding to 7203000000 its reverse (3027), we get a palindrome (7203003027).

The spelling of 7203000000 in words is "seven billion, two hundred three million", and thus it is an aban number.