749961025 has 72 divisors (see below), whose sum is σ = 1080555840. Its totient is φ = 515222400.

The previous prime is 749961013. The next prime is 749961041. The reversal of 749961025 is 520169947.

It is a happy number.

It is not a de Polignac number, because 749961025 - 2⁵ = 749960993 is a prime.

It is a congruent 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 71 ways as a sum of consecutive naturals, for example, 7281124 + ... + 7281226.

It is an arithmetic number, because the mean of its divisors is an integer number (15007720).

Almost surely, 2^749961025 is an apocalyptic number.

It is an amenable number.

749961025 is a deficient number, since it is larger than the sum of its proper divisors (330594815).

749961025 is a wasteful number, since it uses less digits than its factorization.

749961025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 749961025 is about 27385.4162831241. The cubic root of 749961025 is about 908.5445578601.

The spelling of 749961025 in words is "seven hundred forty-nine million, nine hundred sixty-one thousand, twenty-five".