749956 has 9 divisors (see below), whose sum is σ = 1315461.
Its totient is φ = 374112.
The previous prime is 749941. The next prime is 749971. The reversal of 749956 is 659947.
The square root of 749956 is 866.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (749941) and next prime (749971).
It can be written as a sum of positive squares in only one way, i.e., 84100 + 665856 = 290^2 + 816^2
It is a Duffinian number.
It is a nialpdrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1516 + ... + 1948.
2749956 is an apocalyptic number.
749956 is the 866-th square number.
It is an amenable number.
749956 is a deficient number, since it is larger than the sum of its proper divisors (565505).
749956 is an equidigital number, since it uses as much as digits as its factorization.
749956 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 870 (or 435 counting only the distinct ones).
The product of its digits is 68040, while the sum is 40.
The cubic root of 749956 is about 90.8542528667.
Subtracting from 749956 its reverse (659947), we obtain a palindrome (90009).
The spelling of 749956 in words is "seven hundred forty-nine thousand, nine hundred fifty-six".