749868225 has 48 divisors (see below), whose sum is σ = 1294708800. Its totient is φ = 382475520.

The previous prime is 749868211. The next prime is 749868227. The reversal of 749868225 is 522868947.

It is not a de Polignac number, because 749868225 - 2¹¹ = 749866177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (749868227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235494 + ... + 238656.

It is an arithmetic number, because the mean of its divisors is an integer number (26973100).

Almost surely, 2^749868225 is an apocalyptic number.

749868225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

749868225 is a deficient number, since it is larger than the sum of its proper divisors (544840575).

749868225 is a wasteful number, since it uses less digits than its factorization.

749868225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3309 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 749868225 is about 27383.7218982373. The cubic root of 749868225 is about 908.5070819513.

The spelling of 749868225 in words is "seven hundred forty-nine million, eight hundred sixty-eight thousand, two hundred twenty-five".