7245642089 has 8 divisors (see below), whose sum is σ = 8281955520. Its totient is φ = 6209634096.

The previous prime is 7245641983. The next prime is 7245642127. The reversal of 7245642089 is 9802465427.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7245642089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7245644089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23039 + ... + 122564.

It is an arithmetic number, because the mean of its divisors is an integer number (1035244440).

Almost surely, 2^7245642089 is an apocalyptic number.

It is an amenable number.

7245642089 is a deficient number, since it is larger than the sum of its proper divisors (1036313431).

7245642089 is a wasteful number, since it uses less digits than its factorization.

7245642089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152719.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 7245642089 is about 85121.3374483742. The cubic root of 7245642089 is about 1935.0504509589.

The spelling of 7245642089 in words is "seven billion, two hundred forty-five million, six hundred forty-two thousand, eighty-nine".