749798225 has 24 divisors (see below), whose sum is σ = 1015568928. Its totient is φ = 544611200.

The previous prime is 749798213. The next prime is 749798233. The reversal of 749798225 is 522897947.

It is not a de Polignac number, because 749798225 - 2²² = 745603921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325277 + ... + 327573.

It is an arithmetic number, because the mean of its divisors is an integer number (42315372).

Almost surely, 2^749798225 is an apocalyptic number.

It is an amenable number.

749798225 is a deficient number, since it is larger than the sum of its proper divisors (265770703).

749798225 is a wasteful number, since it uses less digits than its factorization.

749798225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3500 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 749798225 is about 27382.4437368179. The cubic root of 749798225 is about 908.4788114399.

The spelling of 749798225 in words is "seven hundred forty-nine million, seven hundred ninety-eight thousand, two hundred twenty-five".