7280028927 has 16 divisors (see below), whose sum is σ = 10853930080. Its totient is φ = 4822436736.

The previous prime is 7280028907. The next prime is 7280028937. The reversal of 7280028927 is 7298200827.

It is a happy number.

It is not a de Polignac number, because 7280028927 - 2⁶ = 7280028863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280028907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854458 + ... + 862935.

It is an arithmetic number, because the mean of its divisors is an integer number (678370630).

Almost surely, 2^7280028927 is an apocalyptic number.

7280028927 is a deficient number, since it is larger than the sum of its proper divisors (3573901153).

7280028927 is a wasteful number, since it uses less digits than its factorization.

7280028927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717559 (or 1717553 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 7280028927 is about 85323.0855454724. The cubic root of 7280028927 is about 1938.1067836952.

The spelling of 7280028927 in words is "seven billion, two hundred eighty million, twenty-eight thousand, nine hundred twenty-seven".