750240945 has 36 divisors (see below), whose sum is σ = 1310089716. Its totient is φ = 397172160.

The previous prime is 750240899. The next prime is 750240977. The reversal of 750240945 is 549042057.

It can be written as a sum of positive squares in 2 ways, for example, as 91240704 + 659000241 = 9552^2 + 25671^2 .

It is not a de Polignac number, because 750240945 - 2⁹ = 750240433 is a prime.

It is a super-2 number, since 2×750240945² = 1125722951108986050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1781835 + ... + 1782255.

It is an arithmetic number, because the mean of its divisors is an integer number (36391381).

Almost surely, 2^750240945 is an apocalyptic number.

It is an amenable number.

750240945 is a deficient number, since it is larger than the sum of its proper divisors (559848771).

750240945 is a wasteful number, since it uses less digits than its factorization.

750240945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 750240945 is about 27390.5265557273. The cubic root of 750240945 is about 908.6575806926.

The spelling of 750240945 in words is "seven hundred fifty million, two hundred forty thousand, nine hundred forty-five".