7280345290 has 16 divisors (see below), whose sum is σ = 13300214112. Its totient is φ = 2868673104.

The previous prime is 7280345287. The next prime is 7280345291. The reversal of 7280345290 is 925430827.

It is not an unprimeable number, because it can be changed into a prime (7280345291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5432424 + ... + 5433763.

It is an arithmetic number, because the mean of its divisors is an integer number (831263382).

Almost surely, 2^7280345290 is an apocalyptic number.

7280345290 is a deficient number, since it is larger than the sum of its proper divisors (6019868822).

7280345290 is a wasteful number, since it uses less digits than its factorization.

7280345290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866261.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 7280345290 is about 85324.9394374236. The cubic root of 7280345290 is about 1938.1348575944.

The spelling of 7280345290 in words is "seven billion, two hundred eighty million, three hundred forty-five thousand, two hundred ninety".