744770 has 32 divisors (see below), whose sum is σ = 1533168. Its totient is φ = 258048.

The previous prime is 744767. The next prime is 744791. The reversal of 744770 is 77447.

744770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 863²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 201601 + 543169 = 449^2 + 737^2 .

It is a Curzon number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2042 + ... + 2378.

2⁷⁴⁴⁷⁷⁰ is an apocalyptic number.

744770 is an abundant number, since it is smaller than the sum of its proper divisors (788398).

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

744770 is a wasteful number, since it uses less digits than its factorization.

744770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 744770 is about 863.0005793741. Note that the first 3 decimals coincide. The cubic root of 744770 is about 90.6443470387.

The spelling of 744770 in words is "seven hundred forty-four thousand, seven hundred seventy", and thus it is an iban number.