747886752 has 72 divisors (see below), whose sum is σ = 2155997844. Its totient is φ = 245873664.

The previous prime is 747886747. The next prime is 747886787. The reversal of 747886752 is 257688747.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 730945296 + 16941456 = 27036^2 + 4116^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 3238 + ... + 38810.

Almost surely, 2^747886752 is an apocalyptic number.

747886752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747886752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077998922).

747886752 is an abundant number, since it is smaller than the sum of its proper divisors (1408111092).

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

747886752 is a wasteful number, since it uses less digits than its factorization.

747886752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35662 (or 35651 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The square root of 747886752 is about 27347.5182054972. The cubic root of 747886752 is about 907.7061544717.

The spelling of 747886752 in words is "seven hundred forty-seven million, eight hundred eighty-six thousand, seven hundred fifty-two".