7420715689 has 8 divisors (see below), whose sum is σ = 7472836800. Its totient is φ = 7368625776.

The previous prime is 7420715651. The next prime is 7420715707. The reversal of 7420715689 is 9865170247.

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

It is a cyclic number.

It is not a de Polignac number, because 7420715689 - 2²³ = 7412327081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7420715609) 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 7 ways as a sum of consecutive naturals, for example, 677434 + ... + 688300.

It is an arithmetic number, because the mean of its divisors is an integer number (934104600).

Almost surely, 2^7420715689 is an apocalyptic number.

It is an amenable number.

7420715689 is a deficient number, since it is larger than the sum of its proper divisors (52121111).

7420715689 is a wasteful number, since it uses less digits than its factorization.

7420715689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15599.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 7420715689 is about 86143.5760170194. The cubic root of 7420715689 is about 1950.5118699191.

The spelling of 7420715689 in words is "seven billion, four hundred twenty million, seven hundred fifteen thousand, six hundred eighty-nine".