7320925 has 6 divisors (see below), whose sum is σ = 9077978. Its totient is φ = 5856720.

The previous prime is 7320883. The next prime is 7320941. The reversal of 7320925 is 5290237.

It can be written as a sum of positive squares in 3 ways, for example, as 1279161 + 6041764 = 1131^2 + 2458^2 .

It is not a de Polignac number, because 7320925 - 2¹⁵ = 7288157 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7320893 and 7320902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146394 + ... + 146443.

Almost surely, 2^7320925 is an apocalyptic number.

It is an amenable number.

7320925 is a deficient number, since it is larger than the sum of its proper divisors (1757053).

7320925 is a wasteful number, since it uses less digits than its factorization.

7320925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292847 (or 292842 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7320925 is about 2705.7207912126. The cubic root of 7320925 is about 194.1729159411.

The spelling of 7320925 in words is "seven million, three hundred twenty thousand, nine hundred twenty-five".