7320307745 has 64 divisors (see below), whose sum is σ = 9958291200. Its totient is φ = 5141283840.

The previous prime is 7320307741. The next prime is 7320307769. The reversal of 7320307745 is 5477030237.

It is not a de Polignac number, because 7320307745 - 2² = 7320307741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7320307699 and 7320307708.

It is not an unprimeable number, because it can be changed into a prime (7320307741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7225859 + ... + 7226871.

It is an arithmetic number, because the mean of its divisors is an integer number (155598300).

Almost surely, 2^7320307745 is an apocalyptic number.

It is an amenable number.

7320307745 is a deficient number, since it is larger than the sum of its proper divisors (2637983455).

7320307745 is a wasteful number, since it uses less digits than its factorization.

7320307745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170.

The product of its (nonzero) digits is 123480, while the sum is 38.

The square root of 7320307745 is about 85558.7970053343. The cubic root of 7320307745 is about 1941.6745863562.

The spelling of 7320307745 in words is "seven billion, three hundred twenty million, three hundred seven thousand, seven hundred forty-five".