747282240 has 112 divisors (see below), whose sum is σ = 2636276160. Its totient is φ = 199272960.

The previous prime is 747282223. The next prime is 747282247. The reversal of 747282240 is 42282747.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 747282195 and 747282204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747282247) 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 15 ways as a sum of consecutive naturals, for example, 34606 + ... + 51885.

It is an arithmetic number, because the mean of its divisors is an integer number (23538180).

Almost surely, 2^747282240 is an apocalyptic number.

It is an amenable number.

747282240 is an abundant number, since it is smaller than the sum of its proper divisors (1888993920).

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

747282240 is a wasteful number, since it uses less digits than its factorization.

747282240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86517 (or 86501 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 747282240 is about 27336.4635605998. The cubic root of 747282240 is about 907.4615242208.

The spelling of 747282240 in words is "seven hundred forty-seven million, two hundred eighty-two thousand, two hundred forty".