749098905025 has 81 divisors (see below), whose sum is σ = 990722015049. Its totient is φ = 561844301760.

The previous prime is 749098905001. The next prime is 749098905077. The reversal of 749098905025 is 520509890947.

The square root of 749098905025 is 865505.

It is a perfect power (a square), and thus also a powerful number.

749098905025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10296769729 + 738802135296 = 101473^2 + 859536^2 .

It is not a de Polignac number, because 749098905025 - 2⁵ = 749098904993 is a prime.

It is a super-2 number, since 2×749098905025² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5898416512 + ... + 5898416638.

Almost surely, 2^749098905025 is an apocalyptic number.

749098905025 is the 865505-th square number.

749098905025 is the 432753-rd centered octagonal number.

It is an amenable number.

749098905025 is a deficient number, since it is larger than the sum of its proper divisors (241623110024).

749098905025 is an equidigital number, since it uses as much as digits as its factorization.

749098905025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 749098905025 in words is "seven hundred forty-nine billion, ninety-eight million, nine hundred five thousand, twenty-five".