749995441 has 4 divisors (see below), whose sum is σ = 807687412. Its totient is φ = 692303472.

The previous prime is 749995429. The next prime is 749995447. The reversal of 749995441 is 144599947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392634225 + 357361216 = 19815^2 + 18904^2 .

It is a cyclic number.

It is not a de Polignac number, because 749995441 - 2¹⁹ = 749471153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749995447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28845966 + ... + 28845991.

It is an arithmetic number, because the mean of its divisors is an integer number (201921853).

Almost surely, 2^749995441 is an apocalyptic number.

It is an amenable number.

749995441 is a deficient number, since it is larger than the sum of its proper divisors (57691971).

749995441 is a wasteful number, since it uses less digits than its factorization.

749995441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57691970.

The product of its digits is 1632960, while the sum is 52.

The square root of 749995441 is about 27386.0446395605. The cubic root of 749995441 is about 908.5584554673.

The spelling of 749995441 in words is "seven hundred forty-nine million, nine hundred ninety-five thousand, four hundred forty-one".