7280412689 has 8 divisors (see below), whose sum is σ = 8126972832. Its totient is φ = 6464636640.

The previous prime is 7280412683. The next prime is 7280412701. The reversal of 7280412689 is 9862140827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7280412689 - 2¹⁶ = 7280347153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7280412683) 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, 7695524 + ... + 7696469.

It is an arithmetic number, because the mean of its divisors is an integer number (1015871604).

Almost surely, 2^7280412689 is an apocalyptic number.

It is an amenable number.

7280412689 is a deficient number, since it is larger than the sum of its proper divisors (846560143).

7280412689 is a wasteful number, since it uses less digits than its factorization.

7280412689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392047.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 7280412689 is about 85325.3343913752. The cubic root of 7280412689 is about 1938.1408384439.

The spelling of 7280412689 in words is "seven billion, two hundred eighty million, four hundred twelve thousand, six hundred eighty-nine".