7321841745 has 16 divisors (see below), whose sum is σ = 11741642880. Its totient is φ = 3896083584.

The previous prime is 7321841717. The next prime is 7321841759. The reversal of 7321841745 is 5471481237.

It is not a de Polignac number, because 7321841745 - 2⁵ = 7321841713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7321841697 and 7321841706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549364 + ... + 562533.

It is an arithmetic number, because the mean of its divisors is an integer number (733852680).

Almost surely, 2^7321841745 is an apocalyptic number.

It is an amenable number.

7321841745 is a deficient number, since it is larger than the sum of its proper divisors (4419801135).

7321841745 is a wasteful number, since it uses less digits than its factorization.

7321841745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112344.

The product of its digits is 188160, while the sum is 42.

The square root of 7321841745 is about 85567.7611311643. The cubic root of 7321841745 is about 1941.8102054626.

The spelling of 7321841745 in words is "seven billion, three hundred twenty-one million, eight hundred forty-one thousand, seven hundred forty-five".