7320105 has 64 divisors (see below), whose sum is σ = 14488320. Its totient is φ = 3483648.

The previous prime is 7320101. The next prime is 7320119. The reversal of 7320105 is 5010237.

It is not a de Polignac number, because 7320105 - 2² = 7320101 is a prime.

It is a super-2 number, since 2×7320105² = 107167874422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75417 + ... + 75513.

It is an arithmetic number, because the mean of its divisors is an integer number (226380).

Almost surely, 2^7320105 is an apocalyptic number.

It is an amenable number.

7320105 is a deficient number, since it is larger than the sum of its proper divisors (7168215).

7320105 is a wasteful number, since it uses less digits than its factorization.

7320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 7320105 is about 2705.5692561825. The cubic root of 7320105 is about 194.1656660496.

The spelling of 7320105 in words is "seven million, three hundred twenty thousand, one hundred five".