7449357225 has 12 divisors (see below), whose sum is σ = 12316270736. Its totient is φ = 3972990480.

The previous prime is 7449357203. The next prime is 7449357233. The reversal of 7449357225 is 5227539447.

It is not a de Polignac number, because 7449357225 - 2⁶ = 7449357161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49662307 + ... + 49662456.

Almost surely, 2^7449357225 is an apocalyptic number.

7449357225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7449357225 is a deficient number, since it is larger than the sum of its proper divisors (4866913511).

7449357225 is a wasteful number, since it uses less digits than its factorization.

7449357225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99324776 (or 99324771 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The square root of 7449357225 is about 86309.6589322423. The cubic root of 7449357225 is about 1953.0180942787.

The spelling of 7449357225 in words is "seven billion, four hundred forty-nine million, three hundred fifty-seven thousand, two hundred twenty-five".