743282240 has 28 divisors (see below), whose sum is σ = 1769941596. Its totient is φ = 297312768.

The previous prime is 743282231. The next prime is 743282251. The reversal of 743282240 is 42282347.

It can be written as a sum of positive squares in 2 ways, for example, as 233967616 + 509314624 = 15296^2 + 22568^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 743282197 and 743282206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161059 + ... + 1161698.

Almost surely, 2^743282240 is an apocalyptic number.

It is an amenable number.

743282240 is an abundant number, since it is smaller than the sum of its proper divisors (1026659356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

743282240 is a wasteful number, since it uses less digits than its factorization.

743282240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322774 (or 2322764 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 743282240 is about 27263.2030399951. The cubic root of 743282240 is about 905.8394945247.

The spelling of 743282240 in words is "seven hundred forty-three million, two hundred eighty-two thousand, two hundred forty".