7329928225 has 9 divisors (see below), whose sum is σ = 9089641843. Its totient is φ = 5863600120.

The previous prime is 7329928219. The next prime is 7329928241. The reversal of 7329928225 is 5228299237.

The square root of 7329928225 is 85615.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2638774161 + 4691154064 = 51369^2 + 68492^2 .

It is not a de Polignac number, because 7329928225 - 2¹³ = 7329920033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 419514 + ... + 436636.

Almost surely, 2^7329928225 is an apocalyptic number.

7329928225 is the 85615-th square number.

7329928225 is the 42808-th centered octagonal number.

It is an amenable number.

7329928225 is a deficient number, since it is larger than the sum of its proper divisors (1759713618).

7329928225 is an frugal number, since it uses more digits than its factorization.

7329928225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34256 (or 17128 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The cubic root of 7329928225 is about 1942.5248085516.

Multiplying 7329928225 by its sum of digits (49), we get a square (359166483025 = 599305²).

The spelling of 7329928225 in words is "seven billion, three hundred twenty-nine million, nine hundred twenty-eight thousand, two hundred twenty-five".