748752229 has 4 divisors (see below), whose sum is σ = 748833484. Its totient is φ = 748670976.

The previous prime is 748752211. The next prime is 748752259. The reversal of 748752229 is 922257847.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 922257847 = 7 ⋅131751121.

It can be written as a sum of positive squares in 2 ways, for example, as 353816100 + 394936129 = 18810^2 + 19873^2 .

It is a cyclic number.

It is not a de Polignac number, because 748752229 - 2⁵ = 748752197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748752259) 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, 24732 + ... + 45925.

It is an arithmetic number, because the mean of its divisors is an integer number (187208371).

Almost surely, 2^748752229 is an apocalyptic number.

It is an amenable number.

748752229 is a deficient number, since it is larger than the sum of its proper divisors (81255).

748752229 is a wasteful number, since it uses less digits than its factorization.

748752229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81254.

The product of its digits is 564480, while the sum is 46.

The square root of 748752229 is about 27363.3373147356. The cubic root of 748752229 is about 908.0561610970.

The spelling of 748752229 in words is "seven hundred forty-eight million, seven hundred fifty-two thousand, two hundred twenty-nine".