754781312 has 32 divisors (see below), whose sum is σ = 1511506380. Its totient is φ = 375422976.

The previous prime is 754781311. The next prime is 754781369. The reversal of 754781312 is 213187457.

It can be written as a sum of positive squares in 2 ways, for example, as 687278656 + 67502656 = 26216^2 + 8216^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (754781311) 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 3 ways as a sum of consecutive naturals, for example, 9428 + ... + 39980.

Almost surely, 2^754781312 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 754781312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755753190).

754781312 is an abundant number, since it is smaller than the sum of its proper divisors (756725068).

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

754781312 is a wasteful number, since it uses less digits than its factorization.

754781312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760 (or 30748 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 754781312 is about 27473.2836042582. The cubic root of 754781312 is about 910.4869237274.

The spelling of 754781312 in words is "seven hundred fifty-four million, seven hundred eighty-one thousand, three hundred twelve".