7322505 has 16 divisors (see below), whose sum is σ = 12333120. Its totient is φ = 3699648.

The previous prime is 7322489. The next prime is 7322521. The reversal of 7322505 is 5052237.

It is an interprime number because it is at equal distance from previous prime (7322489) and next prime (7322521).

It is not a de Polignac number, because 7322505 - 2⁴ = 7322489 is a prime.

It is a Curzon number.

7322505 is a lucky number.

It is a nialpdrome in base 15.

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, 12562 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (770820).

Almost surely, 2^7322505 is an apocalyptic number.

It is an amenable number.

7322505 is a deficient number, since it is larger than the sum of its proper divisors (5010615).

7322505 is a wasteful number, since it uses less digits than its factorization.

7322505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25720.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 7322505 is about 2706.0127494156. The cubic root of 7322505 is about 194.1868837179.

It can be divided in two parts, 73 and 22505, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 7322505 in words is "seven million, three hundred twenty-two thousand, five hundred five".