7280007800 has 48 divisors (see below), whose sum is σ = 18228026040. Its totient is φ = 2688001920.

The previous prime is 7280007773. The next prime is 7280007803. The reversal of 7280007800 is 87000827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280007803) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1397402 + ... + 1402601.

Almost surely, 2^7280007800 is an apocalyptic number.

It is an amenable number.

7280007800 is an abundant number, since it is smaller than the sum of its proper divisors (10948018240).

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

7280007800 is a wasteful number, since it uses less digits than its factorization.

7280007800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800032 (or 2800023 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 7280007800 is about 85322.9617394989. The cubic root of 7280007800 is about 1938.1049088665.

The spelling of 7280007800 in words is "seven billion, two hundred eighty million, seven thousand, eight hundred".