749227005241 has 27 divisors (see below), whose sum is σ = 891899320557. Its totient is φ = 628618092960.

The previous prime is 749227005211. The next prime is 749227005253. The reversal of 749227005241 is 142500722947.

The square root of 749227005241 is 865579.

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

It can be written as a sum of positive squares in 4 ways, for example, as 461544955641 + 287682049600 = 679371^2 + 536360^2 .

It is a de Polignac number, because none of the positive numbers 2^k-749227005241 is a prime.

It is a super-2 number, since 2×749227005241² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749227005211) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 123774771 + ... + 123780823.

Almost surely, 2^749227005241 is an apocalyptic number.

749227005241 is the 865579-th square number.

749227005241 is the 432790-th centered octagonal number.

It is an amenable number.

749227005241 is a deficient number, since it is larger than the sum of its proper divisors (142672315316).

749227005241 is an frugal number, since it uses more digits than its factorization.

749227005241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12154 (or 6077 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 749227005241 in words is "seven hundred forty-nine billion, two hundred twenty-seven million, five thousand, two hundred forty-one".