749943360 has 140 divisors (see below), whose sum is σ = 2667772668. Its totient is φ = 199977984.

The previous prime is 749943329. The next prime is 749943377. The reversal of 749943360 is 63349947.

749943360 is a `hidden beast` number, since 74 + 99 + 433 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 331822656 + 418120704 = 18216^2 + 20448^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 11454 + ... + 40386.

Almost surely, 2^749943360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749943360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333886334).

749943360 is an abundant number, since it is smaller than the sum of its proper divisors (1917829308).

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

749943360 is a wasteful number, since it uses less digits than its factorization.

749943360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28962 (or 28943 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 749943360 is about 27385.0937555452. The cubic root of 749943360 is about 908.5374243491.

The spelling of 749943360 in words is "seven hundred forty-nine million, nine hundred forty-three thousand, three hundred sixty".