7393420225 has 27 divisors (see below), whose sum is σ = 9510913243. Its totient is φ = 5701149440.

The previous prime is 7393420183. The next prime is 7393420231. The reversal of 7393420225 is 5220243937.

The square root of 7393420225 is 85985.

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

It can be written as a sum of positive squares in 13 ways, for example, as 3708444609 + 3684975616 = 60897^2 + 60704^2 .

It is not a de Polignac number, because 7393420225 - 2²⁹ = 6856549313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12467529 + ... + 12468121.

Almost surely, 2^7393420225 is an apocalyptic number.

7393420225 is the 85985-th square number.

7393420225 is the 42993-rd centered octagonal number.

It is an amenable number.

7393420225 is a deficient number, since it is larger than the sum of its proper divisors (2117493018).

7393420225 is an frugal number, since it uses more digits than its factorization.

7393420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The cubic root of 7393420225 is about 1948.1174226344.

The spelling of 7393420225 in words is "seven billion, three hundred ninety-three million, four hundred twenty thousand, two hundred twenty-five".