It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
749616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2749616 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 749616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
749616 is a wasteful number, since it uses less digits than its factorization.
749616 is an evil number, because the sum of its binary digits is even.
The square root of 749616 is about 865.8036728959. The cubic root of 749616 is about 90.8405208988.
The spelling of 749616 in words is "seven hundred forty-nine thousand, six hundred sixteen".