7065742745 has 8 divisors (see below), whose sum is σ = 8530910016. Its totient is φ = 5617915056.

The previous prime is 7065742721. The next prime is 7065742751. The reversal of 7065742745 is 5472475607.

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 7065742745 - 2⁶ = 7065742681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7065742745.

It is an unprimeable number.

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, 4333997 + ... + 4335626.

It is an arithmetic number, because the mean of its divisors is an integer number (1066363752).

Almost surely, 2^7065742745 is an apocalyptic number.

It is an amenable number.

7065742745 is a deficient number, since it is larger than the sum of its proper divisors (1465167271).

7065742745 is a wasteful number, since it uses less digits than its factorization.

7065742745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669791.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The square root of 7065742745 is about 84057.9725249188. The cubic root of 7065742745 is about 1918.9011674907.

The spelling of 7065742745 in words is "seven billion, sixty-five million, seven hundred forty-two thousand, seven hundred forty-five".