7320620925 has 18 divisors (see below), whose sum is σ = 13112045882. Its totient is φ = 3904331040.

The previous prime is 7320620911. The next prime is 7320620947. The reversal of 7320620925 is 5290260237.

7320620925 is a `hidden beast` number, since 7 + 3 + 2 + 0 + 620 + 9 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1499083524 + 5821537401 = 38718^2 + 76299^2 .

It is not a de Polignac number, because 7320620925 - 2⁹ = 7320620413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7320620925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16267822 + ... + 16268271.

Almost surely, 2^7320620925 is an apocalyptic number.

7320620925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7320620925 is a deficient number, since it is larger than the sum of its proper divisors (5791424957).

7320620925 is a wasteful number, since it uses less digits than its factorization.

7320620925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32536109 (or 32536101 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 7320620925 is about 85560.6271891458. The cubic root of 7320620925 is about 1941.7022757647.

The spelling of 7320620925 in words is "seven billion, three hundred twenty million, six hundred twenty thousand, nine hundred twenty-five".