747282225 has 24 divisors (see below), whose sum is σ = 1238413792. Its totient is φ = 397612800.

The previous prime is 747282223. The next prime is 747282247. The reversal of 747282225 is 522282747.

It is a happy number.

747282225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 747282225 - 2¹ = 747282223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (747282223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20970 + ... + 43980.

Almost surely, 2^747282225 is an apocalyptic number.

747282225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

747282225 is a deficient number, since it is larger than the sum of its proper divisors (491131567).

747282225 is a wasteful number, since it uses less digits than its factorization.

747282225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23457 (or 23452 counting only the distinct ones).

The product of its digits is 125440, while the sum is 39.

The square root of 747282225 is about 27336.4632862410. The cubic root of 747282225 is about 907.4615181491.

The spelling of 747282225 in words is "seven hundred forty-seven million, two hundred eighty-two thousand, two hundred twenty-five".