7320290505 has 16 divisors (see below), whose sum is σ = 12777234624. Its totient is φ = 3549231680.

The previous prime is 7320290501. The next prime is 7320290587. The reversal of 7320290505 is 5050920237.

It is not a de Polignac number, because 7320290505 - 2² = 7320290501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (7320290501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22182534 + ... + 22182863.

It is an arithmetic number, because the mean of its divisors is an integer number (798577164).

Almost surely, 2^7320290505 is an apocalyptic number.

It is an amenable number.

7320290505 is a deficient number, since it is larger than the sum of its proper divisors (5456944119).

7320290505 is a wasteful number, since it uses less digits than its factorization.

7320290505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44365416.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 7320290505 is about 85558.6962558453. The cubic root of 7320290505 is about 1941.6730620807.

The spelling of 7320290505 in words is "seven billion, three hundred twenty million, two hundred ninety thousand, five hundred five".