748200249 has 6 divisors (see below), whose sum is σ = 1080733706. Its totient is φ = 498800160.

The previous prime is 748200241. The next prime is 748200251. The reversal of 748200249 is 942002847.

It can be written as a sum of positive squares in only one way, i.e., 498718224 + 249482025 = 22332^2 + 15795^2 .

It is not a de Polignac number, because 748200249 - 2³ = 748200241 is a prime.

It is a super-2 number, since 2×748200249² = 1119607225207324002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748200241) 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 5 ways as a sum of consecutive naturals, for example, 41566672 + ... + 41566689.

Almost surely, 2^748200249 is an apocalyptic number.

It is an amenable number.

748200249 is a deficient number, since it is larger than the sum of its proper divisors (332533457).

748200249 is a wasteful number, since it uses less digits than its factorization.

748200249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83133367 (or 83133364 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 748200249 is about 27353.2493316608. The cubic root of 748200249 is about 907.8329666323.

The spelling of 748200249 in words is "seven hundred forty-eight million, two hundred thousand, two hundred forty-nine".